Base | Representation |
---|---|
bin | 1111101110111… |
… | …01110110011110 |
3 | 100012100022111011 |
4 | 13313131312132 |
5 | 232241340302 |
6 | 21032445434 |
7 | 3161550250 |
oct | 767356636 |
9 | 305308434 |
10 | 131980702 |
11 | 68555067 |
12 | 3824987a |
13 | 214601b9 |
14 | 13757cd0 |
15 | b8c05d7 |
hex | 7dddd9e |
131980702 has 32 divisors (see below), whose sum is σ = 239892480. Its totient is φ = 53252640.
The previous prime is 131980697. The next prime is 131980703. The reversal of 131980702 is 207089131.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131980703) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11949 + ... + 20167.
It is an arithmetic number, because the mean of its divisors is an integer number (7496640).
Almost surely, 2131980702 is an apocalyptic number.
131980702 is a deficient number, since it is larger than the sum of its proper divisors (107911778).
131980702 is a wasteful number, since it uses less digits than its factorization.
131980702 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8296.
The product of its (nonzero) digits is 3024, while the sum is 31.
The square root of 131980702 is about 11488.2854247272. The cubic root of 131980702 is about 509.1395229956.
The spelling of 131980702 in words is "one hundred thirty-one million, nine hundred eighty thousand, seven hundred two".
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