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42030264891 = 3172928418029
BaseRepresentation
bin100111001001001100…
…101111001000111011
311000111011100200100110
4213021030233020323
51142034221434031
631150342235403
73015356233266
oct471114571073
9130434320313
1042030264891
1116908a9710a
12818ba25b63
133c6a895334
14206a0a3cdd
15115ed76c46
hex9c932f23b

42030264891 has 16 divisors (see below), whose sum is σ = 61382944800. Its totient is φ = 25462553088.

The previous prime is 42030264853. The next prime is 42030264901. The reversal of 42030264891 is 19846203024.

It is not a de Polignac number, because 42030264891 - 27 = 42030264763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42030264821) 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 15 ways as a sum of consecutive naturals, for example, 14207536 + ... + 14210493.

It is an arithmetic number, because the mean of its divisors is an integer number (3836434050).

Almost surely, 242030264891 is an apocalyptic number.

42030264891 is a deficient number, since it is larger than the sum of its proper divisors (19352679909).

42030264891 is a wasteful number, since it uses less digits than its factorization.

42030264891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28418078.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 42030264891 in words is "forty-two billion, thirty million, two hundred sixty-four thousand, eight hundred ninety-one".

Divisors: 1 3 17 29 51 87 493 1479 28418029 85254087 483106493 824122841 1449319479 2472368523 14010088297 42030264891