Base | Representation |
---|---|
bin | 1111101111000… |
… | …00010010101100 |
3 | 100012100211012110 |
4 | 13313200102230 |
5 | 232242200300 |
6 | 21033004020 |
7 | 3161621352 |
oct | 767402254 |
9 | 305324173 |
10 | 131990700 |
11 | 68561626 |
12 | 38253610 |
13 | 2146490a |
14 | 1375b7d2 |
15 | b8c3550 |
hex | 7de04ac |
131990700 has 36 divisors (see below), whose sum is σ = 381893960. Its totient is φ = 35197440.
The previous prime is 131990681. The next prime is 131990731. The reversal of 131990700 is 7099131.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219685 + ... + 220284.
Almost surely, 2131990700 is an apocalyptic number.
131990700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131990700 is an abundant number, since it is smaller than the sum of its proper divisors (249903260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131990700 is a wasteful number, since it uses less digits than its factorization.
131990700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 439986 (or 439979 counting only the distinct ones).
The product of its (nonzero) digits is 1701, while the sum is 30.
The square root of 131990700 is about 11488.7205553969. The cubic root of 131990700 is about 509.1523790378.
The spelling of 131990700 in words is "one hundred thirty-one million, nine hundred ninety thousand, seven hundred".
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