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129153032 = 2319849691
BaseRepresentation
bin1111011001010…
…11100000001000
3100000000122122122
413230223200020
5231030344112
620452110412
73125532311
oct754534010
9300018578
10129153032
11669a3648
1237305408
13209b0118
141321d608
15b512872
hex7b2b808

129153032 has 16 divisors (see below), whose sum is σ = 254907600. Its totient is φ = 61177680.

The previous prime is 129153007. The next prime is 129153049. The reversal of 129153032 is 230351921.

It is a junction number, because it is equal to n+sod(n) for n = 129152992 and 129153010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424694 + ... + 424997.

It is an arithmetic number, because the mean of its divisors is an integer number (15931725).

Almost surely, 2129153032 is an apocalyptic number.

It is an amenable number.

129153032 is a deficient number, since it is larger than the sum of its proper divisors (125754568).

129153032 is a wasteful number, since it uses less digits than its factorization.

129153032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849716 (or 849712 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 129153032 is about 11364.5515529650. The cubic root of 129153032 is about 505.4771583910.

The spelling of 129153032 in words is "one hundred twenty-nine million, one hundred fifty-three thousand, thirty-two".

Divisors: 1 2 4 8 19 38 76 152 849691 1699382 3398764 6797528 16144129 32288258 64576516 129153032