Base | Representation |
---|---|
bin | 1111011001001… |
… | …10100001010011 |
3 | 22222222121122220 |
4 | 13230212201103 |
5 | 231024221002 |
6 | 20451432123 |
7 | 3125415651 |
oct | 754464123 |
9 | 288877586 |
10 | 129132627 |
11 | 6698a288 |
12 | 372b5643 |
13 | 209a3a50 |
14 | 13215dd1 |
15 | b50b7bc |
hex | 7b26853 |
129132627 has 32 divisors (see below), whose sum is σ = 192413760. Its totient is φ = 76515840.
The previous prime is 129132613. The next prime is 129132631. The reversal of 129132627 is 726231921.
It is not a de Polignac number, because 129132627 - 28 = 129132371 is a prime.
It is a super-2 number, since 2×1291326272 = 33350470711842258, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (129132637) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156877 + ... + 157697.
It is an arithmetic number, because the mean of its divisors is an integer number (6012930).
Almost surely, 2129132627 is an apocalyptic number.
129132627 is a deficient number, since it is larger than the sum of its proper divisors (63281133).
129132627 is a wasteful number, since it uses less digits than its factorization.
129132627 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 983.
The product of its digits is 9072, while the sum is 33.
The square root of 129132627 is about 11363.6537698049. The cubic root of 129132627 is about 505.4505367301.
The spelling of 129132627 in words is "one hundred twenty-nine million, one hundred thirty-two thousand, six hundred twenty-seven".
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