Base | Representation |
---|---|
bin | 111100101110001111… |
… | …1001000101011011110 |
3 | 110110120211220010210100 |
4 | 1321130133020223132 |
5 | 4114030033403031 |
6 | 135523311121530 |
7 | 12264310350342 |
oct | 1713437105336 |
9 | 413524803710 |
10 | 130400684766 |
11 | 50336872570 |
12 | 21332b132a6 |
13 | c3b1bc5a01 |
14 | 64507ab622 |
15 | 35d310ede6 |
hex | 1e5c7c8ade |
130400684766 has 48 divisors (see below), whose sum is σ = 308300204160. Its totient is φ = 39505050960.
The previous prime is 130400684749. The next prime is 130400684779. The reversal of 130400684766 is 667486004031.
It is a happy number.
130400684766 is a `hidden beast` number, since 130 + 40 + 0 + 6 + 8 + 476 + 6 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 692815 + ... + 860693.
It is an arithmetic number, because the mean of its divisors is an integer number (6422920920).
Almost surely, 2130400684766 is an apocalyptic number.
130400684766 is an abundant number, since it is smaller than the sum of its proper divisors (177899519394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130400684766 is a wasteful number, since it uses less digits than its factorization.
130400684766 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171821 (or 171818 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 45.
Adding to 130400684766 its reverse (667486004031), we get a palindrome (797886688797).
The spelling of 130400684766 in words is "one hundred thirty billion, four hundred million, six hundred eighty-four thousand, seven hundred sixty-six".
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