Base | Representation |
---|---|
bin | 111101000000011111… |
… | …1110001011101101000 |
3 | 110112011112111011102220 |
4 | 1322000333301131220 |
5 | 4121303341021300 |
6 | 140104151554040 |
7 | 12315425666052 |
oct | 1720077613550 |
9 | 415145434386 |
10 | 131013220200 |
11 | 506206024a5 |
12 | 2148408b920 |
13 | c47ba90205 |
14 | 64abc988d2 |
15 | 361bca6da0 |
hex | 1e80ff1768 |
131013220200 has 48 divisors (see below), whose sum is σ = 406140984480. Its totient is φ = 34936858560.
The previous prime is 131013220171. The next prime is 131013220211. The reversal of 131013220200 is 2022310131.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 131013220200.
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, 109177084 + ... + 109178283.
It is an arithmetic number, because the mean of its divisors is an integer number (8461270510).
Almost surely, 2131013220200 is an apocalyptic number.
131013220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131013220200 is an abundant number, since it is smaller than the sum of its proper divisors (275127764280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131013220200 is a wasteful number, since it uses less digits than its factorization.
131013220200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218355386 (or 218355377 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 131013220200 its reverse (2022310131), we get a palindrome (133035530331).
The spelling of 131013220200 in words is "one hundred thirty-one billion, thirteen million, two hundred twenty thousand, two hundred".
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