Base | Representation |
---|---|
bin | 1111100110001… |
… | …11000101001000 |
3 | 100010012022011120 |
4 | 13303013011020 |
5 | 231443320411 |
6 | 20552155240 |
7 | 3146053251 |
oct | 763070510 |
9 | 303168146 |
10 | 130838856 |
11 | 67945195 |
12 | 37998b20 |
13 | 21150555 |
14 | 1353bb28 |
15 | b747106 |
hex | 7cc7148 |
130838856 has 16 divisors (see below), whose sum is σ = 327097200. Its totient is φ = 43612944.
The previous prime is 130838819. The next prime is 130838861. The reversal of 130838856 is 658838031.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2725786 + ... + 2725833.
It is an arithmetic number, because the mean of its divisors is an integer number (20443575).
Almost surely, 2130838856 is an apocalyptic number.
It is an amenable number.
130838856 is an abundant number, since it is smaller than the sum of its proper divisors (196258344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130838856 is a wasteful number, since it uses less digits than its factorization.
130838856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5451628 (or 5451624 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 42.
The square root of 130838856 is about 11438.4813677341. The cubic root of 130838856 is about 507.6669753977. Note that the first 3 decimals are identical.
The spelling of 130838856 in words is "one hundred thirty million, eight hundred thirty-eight thousand, eight hundred fifty-six".
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