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8872132864 = 2872294
BaseRepresentation
bin10000100001101001…
…00000000100000000
3211220022111001021111
420100310200010000
5121132231222424
64024212333104
7432600612400
oct102064400400
924808431244
108872132864
1138430a6811
121877314194
13ab513057a
1460244c800
1536dd70194
hex210d20100

8872132864 has 135 divisors (see below), whose sum is σ = 21336721707. Its totient is φ = 3671227392.

The previous prime is 8872132837. The next prime is 8872132877. The reversal of 8872132864 is 4682312788.

The square root of 8872132864 is 94192.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21086464 + 8851046400 = 4592^2 + 94080^2 .

It is a super-3 number, since 3×88721328643 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 305935602 + ... + 305935630.

Almost surely, 28872132864 is an apocalyptic number.

8872132864 is the 94192-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8872132864

8872132864 is an abundant number, since it is smaller than the sum of its proper divisors (12464588843).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8872132864 is an frugal number, since it uses more digits than its factorization.

8872132864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 38 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The cubic root of 8872132864 is about 2070.1858969397.

Multiplying 8872132864 by its sum of digits (49), we get a 4-th power (434734510336 = 8124).

8872132864 divided by its sum of digits (49) gives a 4-th power (181063936 = 1164).

The spelling of 8872132864 in words is "eight billion, eight hundred seventy-two million, one hundred thirty-two thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 29 32 49 56 58 64 98 112 116 128 196 203 224 232 256 392 406 448 464 784 812 841 896 928 1421 1568 1624 1682 1792 1856 2842 3136 3248 3364 3712 5684 5887 6272 6496 6728 7424 11368 11774 12544 12992 13456 22736 23548 24389 25984 26912 41209 45472 47096 48778 51968 53824 82418 90944 94192 97556 107648 164836 170723 181888 188384 195112 215296 329672 341446 363776 376768 390224 659344 682892 707281 753536 780448 1195061 1318688 1365784 1414562 1507072 1560896 2390122 2637376 2731568 2829124 3121792 4780244 4950967 5274752 5463136 5658248 6243584 9560488 9901934 10549504 10926272 11316496 19120976 19803868 21852544 22632992 34656769 38241952 39607736 43705088 45265984 69313538 76483904 79215472 90531968 138627076 152967808 158430944 181063936 277254152 305935616 316861888 554508304 633723776 1109016608 1267447552 2218033216 4436066432 8872132864