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50067057681 = 3219370179111
BaseRepresentation
bin101110101000001110…
…101010110000010001
311210020021000001110200
4232220032222300101
51310014131321211
635000034445413
73421464653124
oct565016526021
9153207001420
1050067057681
111a262604523
129853433869
13494b91b224
1425cd5c83bb
1514806ddb56
hexba83aac11

50067057681 has 24 divisors (see below), whose sum is σ = 76146882240. Its totient is φ = 31612356000.

The previous prime is 50067057659. The next prime is 50067057701. The reversal of 50067057681 is 18675076005.

50067057681 is a `hidden beast` number, since 5 + 0 + 0 + 6 + 70 + 576 + 8 + 1 = 666.

It is not a de Polignac number, because 50067057681 - 210 = 50067056657 is a prime.

It is a super-2 number, since 2×500670576812 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50067057631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 593316 + ... + 672426.

It is an arithmetic number, because the mean of its divisors is an integer number (3172786760).

Almost surely, 250067057681 is an apocalyptic number.

It is an amenable number.

50067057681 is a deficient number, since it is larger than the sum of its proper divisors (26079824559).

50067057681 is a wasteful number, since it uses less digits than its factorization.

50067057681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82837 (or 82834 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 50067057681 in words is "fifty billion, sixty-seven million, fifty-seven thousand, six hundred eighty-one".

Divisors: 1 3 9 19 57 171 3701 11103 33309 70319 79111 210957 237333 632871 711999 1503109 4509327 13527981 292789811 878369433 2635108299 5563006409 16689019227 50067057681