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129041088 = 2631161099
BaseRepresentation
bin1111011000100…
…00001011000000
322222210222002120
413230100023000
5231013303323
620445444240
73124555041
oct754201300
9288728076
10129041088
1166927530
1237270680
1320971197
14131d08c8
15b4de5e3
hex7b102c0

129041088 has 56 divisors (see below), whose sum is σ = 372465600. Its totient is φ = 39102720.

The previous prime is 129041041. The next prime is 129041093. The reversal of 129041088 is 880140921.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28438 + ... + 32661.

Almost surely, 2129041088 is an apocalyptic number.

It is an amenable number.

129041088 is an abundant number, since it is smaller than the sum of its proper divisors (243424512).

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

129041088 is a wasteful number, since it uses less digits than its factorization.

129041088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61125 (or 61115 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 129041088 is about 11359.6253459346. The cubic root of 129041088 is about 505.3310746057.

It can be divided in two parts, 12 and 9041088, that multiplied together give a square (108493056 = 104162).

The spelling of 129041088 in words is "one hundred twenty-nine million, forty-one thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 132 176 192 264 352 528 704 1056 2112 61099 122198 183297 244396 366594 488792 672089 733188 977584 1344178 1466376 1955168 2016267 2688356 2932752 3910336 4032534 5376712 5865504 8065068 10753424 11731008 16130136 21506848 32260272 43013696 64520544 129041088