Base | Representation |
---|---|
bin | 1111101110110… |
… | …00111101111001 |
3 | 100012022022001020 |
4 | 13313120331321 |
5 | 232240220242 |
6 | 21032213053 |
7 | 3161435031 |
oct | 767307571 |
9 | 305268036 |
10 | 131960697 |
11 | 68541030 |
12 | 3823a189 |
13 | 2145406b |
14 | 137508c1 |
15 | b8b96ec |
hex | 7dd8f79 |
131960697 has 8 divisors (see below), whose sum is σ = 191942880. Its totient is φ = 79976160.
The previous prime is 131960693. The next prime is 131960723. The reversal of 131960697 is 796069131.
131960697 = T1583 + T1584 + ... + T1681.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131960697 - 22 = 131960693 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131960693) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1999372 + ... + 1999437.
It is an arithmetic number, because the mean of its divisors is an integer number (23992860).
Almost surely, 2131960697 is an apocalyptic number.
It is an amenable number.
131960697 is a deficient number, since it is larger than the sum of its proper divisors (59982183).
131960697 is a wasteful number, since it uses less digits than its factorization.
131960697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3998823.
The product of its (nonzero) digits is 61236, while the sum is 42.
The square root of 131960697 is about 11487.4147222080. The cubic root of 131960697 is about 509.1137973891.
The spelling of 131960697 in words is "one hundred thirty-one million, nine hundred sixty thousand, six hundred ninety-seven".
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