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132801009 = 3112418923
BaseRepresentation
bin1111110101001…
…10000111110001
3100020212222201220
413322212013301
5232444113014
621102215253
73201534645
oct772460761
9306788656
10132801009
1168a65400
1238584529
13216896a3
14138ccc25
15b9d36a9
hex7ea61f1

132801009 has 24 divisors (see below), whose sum is σ = 199397856. Its totient is φ = 78513600.

The previous prime is 132801007. The next prime is 132801041. The reversal of 132801009 is 900108231.

It is not a de Polignac number, because 132801009 - 21 = 132801007 is a prime.

It is a super-2 number, since 2×1328010092 = 35272215982836162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 132801009.

It is not an unprimeable number, because it can be changed into a prime (132801007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10422 + ... + 19344.

It is an arithmetic number, because the mean of its divisors is an integer number (8308244).

Almost surely, 2132801009 is an apocalyptic number.

It is an amenable number.

132801009 is a deficient number, since it is larger than the sum of its proper divisors (66596847).

132801009 is a wasteful number, since it uses less digits than its factorization.

132801009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8989 (or 8978 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 132801009 is about 11523.9320112538. The cubic root of 132801009 is about 510.1921728686.

The spelling of 132801009 in words is "one hundred thirty-two million, eight hundred one thousand, nine".

Divisors: 1 3 11 33 41 121 123 363 451 1353 4961 8923 14883 26769 98153 294459 365843 1079683 1097529 3239049 4024273 12072819 44267003 132801009