Base | Representation |
---|---|
bin | 1111101000100… |
… | …01110001000010 |
3 | 100010202211210201 |
4 | 13310101301002 |
5 | 232033113040 |
6 | 21002515414 |
7 | 3151466161 |
oct | 764216102 |
9 | 303684721 |
10 | 131144770 |
11 | 68034009 |
12 | 37b05b6a |
13 | 21229873 |
14 | 135bb3d8 |
15 | b7a7a9a |
hex | 7d11c42 |
131144770 has 8 divisors (see below), whose sum is σ = 236060604. Its totient is φ = 52457904.
The previous prime is 131144743. The next prime is 131144789. The reversal of 131144770 is 77441131.
It can be written as a sum of positive squares in 2 ways, for example, as 130622041 + 522729 = 11429^2 + 723^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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, 6557229 + ... + 6557248.
Almost surely, 2131144770 is an apocalyptic number.
131144770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131144770 is a deficient number, since it is larger than the sum of its proper divisors (104915834).
131144770 is a wasteful number, since it uses less digits than its factorization.
131144770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13114484.
The product of its (nonzero) digits is 2352, while the sum is 28.
The square root of 131144770 is about 11451.8457027677. The cubic root of 131144770 is about 508.0623257277.
The spelling of 131144770 in words is "one hundred thirty-one million, one hundred forty-four thousand, seven hundred seventy".
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