Base | Representation |
---|---|
bin | 1111100111001… |
… | …11100111000001 |
3 | 100010110001221102 |
4 | 13303213213001 |
5 | 232012101342 |
6 | 20555104145 |
7 | 3150146564 |
oct | 763474701 |
9 | 303401842 |
10 | 130972097 |
11 | 67a26303 |
12 | 37a42055 |
13 | 211990a9 |
14 | 135744db |
15 | b771832 |
hex | 7ce79c1 |
130972097 has 16 divisors (see below), whose sum is σ = 145867392. Its totient is φ = 116962560.
The previous prime is 130972013. The next prime is 130972099. The reversal of 130972097 is 790279031.
It is a cyclic number.
It is not a de Polignac number, because 130972097 - 212 = 130968001 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130972097.
It is not an unprimeable number, because it can be changed into a prime (130972099) 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, 49943 + ... + 52499.
It is an arithmetic number, because the mean of its divisors is an integer number (9116712).
Almost surely, 2130972097 is an apocalyptic number.
130972097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
130972097 is a deficient number, since it is larger than the sum of its proper divisors (14895295).
130972097 is a wasteful number, since it uses less digits than its factorization.
130972097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2728.
The product of its (nonzero) digits is 23814, while the sum is 38.
The square root of 130972097 is about 11444.3041291290. The cubic root of 130972097 is about 507.8392461059.
The spelling of 130972097 in words is "one hundred thirty million, nine hundred seventy-two thousand, ninety-seven".
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