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49233031540 = 22571149165111
BaseRepresentation
bin101101110110100001…
…000111000101110100
311201002010122010200121
4231312201013011310
51301312124002130
634341202421324
73362016602050
oct556641070564
9151063563617
1049233031540
1119974843320
129660061844
134847bb3934
142550922c60
151432394d7a
hexb76847174

49233031540 has 96 divisors (see below), whose sum is σ = 129165539328. Its totient is φ = 15313872000.

The previous prime is 49233031493. The next prime is 49233031541. The reversal of 49233031540 is 4513033294.

49233031540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49233031496 and 49233031505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49233031541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 723585 + ... + 788695.

It is an arithmetic number, because the mean of its divisors is an integer number (1345474368).

Almost surely, 249233031540 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 49233031540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64582769664).

49233031540 is an abundant number, since it is smaller than the sum of its proper divisors (79932507788).

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

49233031540 is a wasteful number, since it uses less digits than its factorization.

49233031540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65629 (or 65627 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 49233031540 in words is "forty-nine billion, two hundred thirty-three million, thirty-one thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 491 770 982 1540 1964 2455 3437 4910 5401 6874 9820 10802 13748 17185 21604 27005 34370 37807 54010 65111 68740 75614 108020 130222 151228 189035 260444 325555 378070 455777 651110 716221 756140 911554 1302220 1432442 1823108 2278885 2864884 3581105 4557770 5013547 7162210 9115540 10027094 14324420 20054188 25067735 31969501 50135470 63939002 100270940 127878004 159847505 223786507 319695010 351664511 447573014 639390020 703329022 895146028 1118932535 1406658044 1758322555 2237865070 2461651577 3516645110 4475730140 4923303154 7033290220 9846606308 12308257885 24616515770 49233031540