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72855404241 = 3199122035853
BaseRepresentation
bin100001111011010000…
…1010011111011010001
320222001102022000010020
41003312201103323101
52143201440413431
653245212054053
75156265501234
oct1036641237321
9228042260106
1072855404241
1128996a81594
1212153164329
136b40ba2a69
143751d3d41b
151d66141696
hex10f6853ed1

72855404241 has 8 divisors (see below), whose sum is σ = 97628683200. Its totient is φ = 48326197392.

The previous prime is 72855404203. The next prime is 72855404243. The reversal of 72855404241 is 14240455827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72855404241 - 210 = 72855403217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72855404193 and 72855404202.

It is not an unprimeable number, because it can be changed into a prime (72855404243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61017330 + ... + 61018523.

It is an arithmetic number, because the mean of its divisors is an integer number (12203585400).

Almost surely, 272855404241 is an apocalyptic number.

It is an amenable number.

72855404241 is a deficient number, since it is larger than the sum of its proper divisors (24773278959).

72855404241 is a wasteful number, since it uses less digits than its factorization.

72855404241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122036055.

The product of its (nonzero) digits is 358400, while the sum is 42.

The spelling of 72855404241 in words is "seventy-two billion, eight hundred fifty-five million, four hundred four thousand, two hundred forty-one".

Divisors: 1 3 199 597 122035853 366107559 24285134747 72855404241