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8127664132 = 2272513073767
BaseRepresentation
bin1111001000111001…
…00101000000000100
3202222102122010011111
413210130211000010
5113121140223012
63422300014404
7405261001540
oct74434450004
922872563144
108127664132
1134a09443a5
1216a9b31404
139c6b21623
1457161aa20
15328816ba7
hex1e4725004

8127664132 has 48 divisors (see below), whose sum is σ = 16377596928. Its totient is φ = 3457188000.

The previous prime is 8127664037. The next prime is 8127664133. The reversal of 8127664132 is 2314667218.

It is not an unprimeable number, because it can be changed into a prime (8127664133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2155713 + ... + 2159479.

It is an arithmetic number, because the mean of its divisors is an integer number (341199936).

Almost surely, 28127664132 is an apocalyptic number.

It is an amenable number.

8127664132 is an abundant number, since it is smaller than the sum of its proper divisors (8249932796).

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

8127664132 is a wasteful number, since it uses less digits than its factorization.

8127664132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336 (or 4334 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 8127664132 is about 90153.5586208332. The cubic root of 8127664132 is about 2010.5825833684.

The spelling of 8127664132 in words is "eight billion, one hundred twenty-seven million, six hundred sixty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 251 307 502 614 1004 1228 1757 2149 3514 3767 4298 7028 7534 8596 15068 26369 52738 77057 105476 154114 308228 539399 945517 1078798 1156469 1891034 2157596 2312938 3782068 4625876 6618619 8095283 13237238 16190566 26474476 32381132 290273719 580547438 1161094876 2031916033 4063832066 8127664132