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42815796961 = 740117218863
BaseRepresentation
bin100111111000000001…
…010011011011100001
311002111220110211202211
4213320001103123201
51200141321000321
631400323042121
73044005161250
oct477001233341
9132456424684
1042815796961
1117181445a73
12836ab10341
134064550b02
142102544797
1511a8ce20e1
hex9f80536e1

42815796961 has 16 divisors (see below), whose sum is σ = 49088406528. Its totient is φ = 36582336000.

The previous prime is 42815796953. The next prime is 42815796967. The reversal of 42815796961 is 16969751824.

It is not a de Polignac number, because 42815796961 - 23 = 42815796953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42815796896 and 42815796905.

It is not an unprimeable number, because it can be changed into a prime (42815796967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4826416 + ... + 4835278.

It is an arithmetic number, because the mean of its divisors is an integer number (3068025408).

Almost surely, 242815796961 is an apocalyptic number.

It is an amenable number.

42815796961 is a deficient number, since it is larger than the sum of its proper divisors (6272609567).

42815796961 is a wasteful number, since it uses less digits than its factorization.

42815796961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10992.

The product of its digits is 6531840, while the sum is 58.

The spelling of 42815796961 in words is "forty-two billion, eight hundred fifteen million, seven hundred ninety-six thousand, nine hundred sixty-one".

Divisors: 1 7 401 1721 2807 8863 12047 62041 690121 3554063 4830847 15253223 24878441 106772561 6116542423 42815796961