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42890102794 = 27112312109007
BaseRepresentation
bin100111111100011100…
…110000100000001010
311002201002021222012201
4213330130300200022
51200314331242134
631411535430414
73045566600320
oct477434604012
9132632258181
1042890102794
111720a388050
12838b98540a
134076a69466
14210c367d10
1511b05bd914
hex9fc73080a

42890102794 has 32 divisors (see below), whose sum is σ = 83697463296. Its totient is φ = 15983887920.

The previous prime is 42890102777. The next prime is 42890102797. The reversal of 42890102794 is 49720109824.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (42890102797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6050962 + ... + 6058045.

It is an arithmetic number, because the mean of its divisors is an integer number (2615545728).

Almost surely, 242890102794 is an apocalyptic number.

42890102794 is a deficient number, since it is larger than the sum of its proper divisors (40807360502).

42890102794 is a wasteful number, since it uses less digits than its factorization.

42890102794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12109050.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 42890102794 in words is "forty-two billion, eight hundred ninety million, one hundred two thousand, seven hundred ninety-four".

Divisors: 1 2 7 11 14 22 23 46 77 154 161 253 322 506 1771 3542 12109007 24218014 84763049 133199077 169526098 266398154 278507161 557014322 932393539 1864787078 1949550127 3063578771 3899100254 6127157542 21445051397 42890102794