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50640624080 = 24517172321611
BaseRepresentation
bin101111001010011010…
…101001100111010000
311211201020021020122122
4233022122221213100
51312202444432310
635133004153412
73441631126304
oct571232514720
9154636236578
1050640624080
111a527348442
129993538868
134a106c0227
14264584dd04
1514b5c39555
hexbca6a99d0

50640624080 has 80 divisors (see below), whose sum is σ = 124743426624. Its totient is φ = 19052759040.

The previous prime is 50640624079. The next prime is 50640624091. The reversal of 50640624080 is 8042604605.

50640624080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 50640624080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2332475 + ... + 2354085.

Almost surely, 250640624080 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 50640624080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62371713312).

50640624080 is an abundant number, since it is smaller than the sum of its proper divisors (74102802544).

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

50640624080 is a wasteful number, since it uses less digits than its factorization.

50640624080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23364 (or 23358 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 50640624080 in words is "fifty billion, six hundred forty million, six hundred twenty-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 1723 3446 6892 8615 13784 17230 21611 27568 29291 34460 43222 58582 68920 86444 108055 117164 137840 146455 172888 216110 234328 292910 345776 367387 432220 468656 585820 734774 864440 1171640 1469548 1728880 1836935 2343280 2939096 3673870 5878192 7347740 14695480 29390960 37235753 74471506 148943012 186178765 297886024 372357530 595772048 633007801 744715060 1266015602 1489430120 2532031204 2978860240 3165039005 5064062408 6330078010 10128124816 12660156020 25320312040 50640624080