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50721006001024 = 2731353142325447
BaseRepresentation
bin10111000100001011001111…
…00010111001101110000000
320122120212210010011002002201
423202011213202321232000
523122003110014013044
6255512524122122544
713453320545335132
oct1342054742715600
9218525703132081
1050721006001024
1115185726659207
1258320a2350454
13223bc7cac6308
14c74ca4665052
155ce582e4c7d4
hex2e21678b9b80

50721006001024 has 128 divisors (see below), whose sum is σ = 104678397665280. Its totient is φ = 24454737838080.

The previous prime is 50721006001021. The next prime is 50721006001079. The reversal of 50721006001024 is 42010060012705.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 50721006000983 and 50721006001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50721006001021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993189069 + ... + 1993214515.

It is an arithmetic number, because the mean of its divisors is an integer number (817799981760).

Almost surely, 250721006001024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50721006001024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52339198832640).

50721006001024 is an abundant number, since it is smaller than the sum of its proper divisors (53957391664256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50721006001024 is a wasteful number, since it uses less digits than its factorization.

50721006001024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27268 (or 27256 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 50721006001024 its reverse (42010060012705), we get a palindrome (92731066013729).

The spelling of 50721006001024 in words is "fifty trillion, seven hundred twenty-one billion, six million, one thousand, twenty-four".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 248 353 496 706 992 1412 1423 1984 2824 2846 3968 5648 5692 10943 11296 11384 21886 22592 22768 25447 43772 44113 45184 45536 50894 87544 88226 91072 101788 175088 176452 182144 203576 350176 352904 407152 502319 700352 705808 788857 814304 1004638 1400704 1411616 1577714 1628608 2009276 2823232 3155428 3257216 4018552 5646464 6310856 8037104 8982791 12621712 15571889 16074208 17965582 25243424 31143778 32148416 35931164 36211081 50486848 62287556 64296832 71862328 72422162 100973696 124575112 143724656 144844324 249150224 278466521 287449312 289688648 498300448 556933042 574898624 579377296 996600896 1113866084 1122543511 1149797248 1158754592 1993201792 2227732168 2245087022 2317509184 4455464336 4490174044 4635018368 8910928672 8980348088 12782511593 17821857344 17960696176 25565023186 35643714688 35921392352 51130046372 71842784704 102260092744 143685569408 204520185488 396257859383 409040370976 792515718766 818080741952 1585031437532 1636161483904 3170062875064 6340125750128 12680251500256 25360503000512 50721006001024