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42912268017 = 321929652291
BaseRepresentation
bin100111111101110001…
…010011111011110001
311002202122000002011220
4213331301103323301
51200341020034032
631414050455253
73046256155053
oct477561237361
9132678002156
1042912268017
1117220947113
128397294529
13407b52a288
1421112978d3
1511b24eb12c
hex9fdc53ef1

42912268017 has 8 divisors (see below), whose sum is σ = 57219054240. Its totient is φ = 28606830240.

The previous prime is 42912268001. The next prime is 42912268057. The reversal of 42912268017 is 71086221924.

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

It is not a de Polignac number, because 42912268017 - 24 = 42912268001 is a prime.

It is a super-2 number, since 2×429122680172 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42912268017.

It is not an unprimeable number, because it can be changed into a prime (42912268057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260359 + ... + 391932.

It is an arithmetic number, because the mean of its divisors is an integer number (7152381780).

Almost surely, 242912268017 is an apocalyptic number.

It is an amenable number.

42912268017 is a deficient number, since it is larger than the sum of its proper divisors (14306786223).

42912268017 is a wasteful number, since it uses less digits than its factorization.

42912268017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674223.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 42912268017 in words is "forty-two billion, nine hundred twelve million, two hundred sixty-eight thousand, seventeen".

Divisors: 1 3 21929 65787 652291 1956873 14304089339 42912268017