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50981072992200 = 233352132173286091
BaseRepresentation
bin10111001011101111101001…
…01111101111011111001000
320200111202001122002001222000
423211313310233233133020
523140233214141222300
6300232214232231000
713511155341312321
oct1345676457573710
9220452048061860
1050981072992200
1115275a516a297a
12587458223b460
13225a6576c9800
14c836d6077448
155d6204958c00
hex2e5df4bef7c8

50981072992200 has 576 divisors, whose sum is σ = 201333599092800. Its totient is φ = 11810996121600.

The previous prime is 50981072992193. The next prime is 50981072992207. The reversal of 50981072992200 is 229927018905.

50981072992200 is a `hidden beast` number, since 50 + 9 + 81 + 0 + 7 + 299 + 220 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (50981072992193) and next prime (50981072992207).

It is a super-2 number, since 2×509810729922002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (50981072992207) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13871155 + ... + 17157245.

It is an arithmetic number, because the mean of its divisors is an integer number (349537498425).

Almost surely, 250981072992200 is an apocalyptic number.

50981072992200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50981072992200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100666799546400).

50981072992200 is an abundant number, since it is smaller than the sum of its proper divisors (150352526100600).

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

50981072992200 is a wasteful number, since it uses less digits than its factorization.

50981072992200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286159 (or 3286131 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 50981072992200 in words is "fifty trillion, nine hundred eighty-one billion, seventy-two million, nine hundred ninety-two thousand, two hundred".