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50012992512 = 21036717563
BaseRepresentation
bin101110100101000000…
…011011010000000000
311210002111021021000000
4232211000123100000
51304411311230022
634550424000000
73420240264540
oct564500332000
9153074237000
1050012992512
111a23503756a
129839300000
13494066b6c2
1425c6353320
15147aaae6ac
hexba501b400

50012992512 has 616 divisors, whose sum is σ = 181710323136. Its totient is φ = 13424984064.

The previous prime is 50012992489. The next prime is 50012992543. The reversal of 50012992512 is 21529921005.

It is a happy number.

50012992512 is a `hidden beast` number, since 50 + 0 + 1 + 2 + 9 + 92 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 88832743 + ... + 88833305.

Almost surely, 250012992512 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 50012992512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90855161568).

50012992512 is an abundant number, since it is smaller than the sum of its proper divisors (131697330624).

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

50012992512 is an equidigital number, since it uses as much as digits as its factorization.

50012992512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The spelling of 50012992512 in words is "fifty billion, twelve million, nine hundred ninety-two thousand, five hundred twelve".