Base | Representation |
---|---|
bin | 11111001000010001010100… |
… | …100000010011011111011000 |
3 | 122221202020221122112021100002 |
4 | 133020101110200103133120 |
5 | 120421044131043010010 |
6 | 1203102323424232132 |
7 | 40560155536615550 |
oct | 3710212440233730 |
9 | 587666848467302 |
10 | 136907795281880 |
11 | 3a6942a7292097 |
12 | 1343179376b648 |
13 | 5b514713974bc |
14 | 25b453078c160 |
15 | 10c64450bb1a5 |
hex | 7c84548137d8 |
136907795281880 has 32 divisors (see below), whose sum is σ = 352048616439840. Its totient is φ = 46939815525120.
The previous prime is 136907795281801. The next prime is 136907795281883. The reversal of 136907795281880 is 88182597709631.
It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 136907795281798 and 136907795281807.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (136907795281883) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244478205581 + ... + 244478206140.
It is an arithmetic number, because the mean of its divisors is an integer number (11001519263745).
Almost surely, 2136907795281880 is an apocalyptic number.
136907795281880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
136907795281880 is an abundant number, since it is smaller than the sum of its proper divisors (215140821157960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
136907795281880 is a wasteful number, since it uses less digits than its factorization.
136907795281880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 488956411739 (or 488956411735 counting only the distinct ones).
The product of its (nonzero) digits is 365783040, while the sum is 74.
The spelling of 136907795281880 in words is "one hundred thirty-six trillion, nine hundred seven billion, seven hundred ninety-five million, two hundred eighty-one thousand, eight hundred eighty".
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