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68445800402434 = 27138913007324869
BaseRepresentation
bin11111001000000010001111…
…00111101000111000000010
322222100100120111212210121121
433210001013213220320002
532432403444400334214
6401323322220142454
720263021512025030
oct1744010747507002
9288310514783547
1068445800402434
111a899778a489a4
127815308097a2a
132c26546785c10
1412c8b19c39550
157da674256424
hex3e40479e8e02

68445800402434 has 64 divisors (see below), whose sum is σ = 127791486950400. Its totient is φ = 26771077605888.

The previous prime is 68445800402333. The next prime is 68445800402437. The reversal of 68445800402434 is 43420400854486.

It is not an unprimeable number, because it can be changed into a prime (68445800402437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210524952 + ... + 210849820.

It is an arithmetic number, because the mean of its divisors is an integer number (1996741983600).

Almost surely, 268445800402434 is an apocalyptic number.

68445800402434 is a deficient number, since it is larger than the sum of its proper divisors (59345686547966).

68445800402434 is a wasteful number, since it uses less digits than its factorization.

68445800402434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337987.

The product of its (nonzero) digits is 11796480, while the sum is 52.

The spelling of 68445800402434 in words is "sixty-eight trillion, four hundred forty-five billion, eight hundred million, four hundred two thousand, four hundred thirty-four".

Divisors: 1 2 7 13 14 26 89 91 178 182 623 1157 1246 2314 8099 13007 16198 26014 91049 169091 182098 324869 338182 649738 1157623 1183637 2274083 2315246 2367274 4223297 4548166 8103361 8446594 15049099 16206722 28913341 29563079 30098198 57826682 59126158 105343693 202393387 210687386 375873433 404786774 751746866 2631114031 4225571083 5262228062 8451142166 29578997581 54932424079 59157995162 109864848158 376075826387 384526968553 752151652774 769053937106 2632530784709 4888985743031 5265061569418 9777971486062 34222900201217 68445800402434