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76933562161 = 79235112
BaseRepresentation
bin100011110100110011…
…0001111111100110001
321100120122001220002011
41013221212033330301
52230024442442121
655202013122521
75362325326411
oct1075146177461
9240518056064
1076933562161
112a699a98a35
1212ab0a89441
137340a5b261
143a1b7da641
1520041a47e1
hex11e998ff31

76933562161 has 9 divisors (see below), whose sum is σ = 77941931193. Its totient is φ = 75938084820.

The previous prime is 76933562143. The next prime is 76933562213. The reversal of 76933562161 is 16126533967.

The square root of 76933562161 is 277369.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2k-76933562161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76933560161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21910396 + ... + 21913906.

It is an arithmetic number, because the mean of its divisors is an integer number (8660214577).

Almost surely, 276933562161 is an apocalyptic number.

76933562161 is the 277369-th square number.

76933562161 is the 138685-th centered octagonal number.

It is an amenable number.

76933562161 is a deficient number, since it is larger than the sum of its proper divisors (1008369032).

76933562161 is an frugal number, since it uses more digits than its factorization.

76933562161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7180 (or 3590 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 49.

Multiplying 76933562161 by its sum of digits (49), we get a square (3769744545889 = 19415832).

The spelling of 76933562161 in words is "seventy-six billion, nine hundred thirty-three million, five hundred sixty-two thousand, one hundred sixty-one".

Divisors: 1 79 3511 6241 277369 12327121 21912151 973842559 76933562161