Base | Representation |
---|---|
bin | 1111100000010… |
… | …11010101010101 |
3 | 100001202020021200 |
4 | 13300023111111 |
5 | 231244213340 |
6 | 20523503113 |
7 | 3136401243 |
oct | 760132525 |
9 | 301666250 |
10 | 130069845 |
11 | 6746a444 |
12 | 37687a99 |
13 | 20c41509 |
14 | 133bb793 |
15 | b644330 |
hex | 7c0b555 |
130069845 has 12 divisors (see below), whose sum is σ = 225454476. Its totient is φ = 69370560.
The previous prime is 130069829. The next prime is 130069859. The reversal of 130069845 is 548960031.
It can be written as a sum of positive squares in 2 ways, for example, as 102758769 + 27311076 = 10137^2 + 5226^2 .
It is not a de Polignac number, because 130069845 - 24 = 130069829 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a nialpdrome in base 15.
It is a congruent number.
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, 1445176 + ... + 1445265.
It is an arithmetic number, because the mean of its divisors is an integer number (18787873).
Almost surely, 2130069845 is an apocalyptic number.
130069845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130069845 is a deficient number, since it is larger than the sum of its proper divisors (95384631).
130069845 is a wasteful number, since it uses less digits than its factorization.
130069845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2890452 (or 2890449 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 130069845 is about 11404.8167455685. The cubic root of 130069845 is about 506.6704088963.
The spelling of 130069845 in words is "one hundred thirty million, sixty-nine thousand, eight hundred forty-five".
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