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82001763961 = 13307112918199
BaseRepresentation
bin100110001011110101…
…1111001111001111001
321211122211210012220221
41030113223321321321
52320414422421321
6101400542220041
75632036331065
oct1142753717171
9254584705827
1082001763961
113185a948a67
1213a86284621
13796aa79030
143d7c972aa5
1521ee0cde41
hex1317af9e79

82001763961 has 16 divisors (see below), whose sum is σ = 88680592000. Its totient is φ = 75376407168.

The previous prime is 82001763923. The next prime is 82001763989. The reversal of 82001763961 is 16936710028.

It is a cyclic number.

It is not a de Polignac number, because 82001763961 - 211 = 82001761913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82001763161) 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 15 ways as a sum of consecutive naturals, for example, 4496740 + ... + 4514938.

It is an arithmetic number, because the mean of its divisors is an integer number (5542537000).

Almost surely, 282001763961 is an apocalyptic number.

It is an amenable number.

82001763961 is a deficient number, since it is larger than the sum of its proper divisors (6678828039).

82001763961 is a wasteful number, since it uses less digits than its factorization.

82001763961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19648.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 82001763961 in words is "eighty-two billion, one million, seven hundred sixty-three thousand, nine hundred sixty-one".

Divisors: 1 13 307 1129 3991 14677 18199 236587 346603 4505839 5587093 20546671 72632209 267106723 6307827997 82001763961