Base | Representation |
---|---|
bin | 111101001001011100… |
… | …0011111011101001000 |
3 | 110112221110010212100110 |
4 | 1322102320133131020 |
5 | 4122412201120240 |
6 | 140154031434320 |
7 | 12326031434115 |
oct | 1722270373510 |
9 | 415843125313 |
10 | 131313301320 |
11 | 50764a31923 |
12 | 215486859a0 |
13 | c4c8cb8bc6 |
14 | 64d9a8d90c |
15 | 36382cec80 |
hex | 1e92e1f748 |
131313301320 has 32 divisors (see below), whose sum is σ = 393939904320. Its totient is φ = 35016880320.
The previous prime is 131313301309. The next prime is 131313301411. The reversal of 131313301320 is 23103313131.
It is a super-2 number, since 2×1313133013202 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547138636 + ... + 547138875.
It is an arithmetic number, because the mean of its divisors is an integer number (12310622010).
Almost surely, 2131313301320 is an apocalyptic number.
131313301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131313301320 is an abundant number, since it is smaller than the sum of its proper divisors (262626603000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131313301320 is a wasteful number, since it uses less digits than its factorization.
131313301320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1094277525 (or 1094277521 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 131313301320 its reverse (23103313131), we get a palindrome (154416614451).
The spelling of 131313301320 in words is "one hundred thirty-one billion, three hundred thirteen million, three hundred one thousand, three hundred twenty".
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