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136907795281880 = 2357488956411721
BaseRepresentation
bin11111001000010001010100…
…100000010011011111011000
3122221202020221122112021100002
4133020101110200103133120
5120421044131043010010
61203102323424232132
740560155536615550
oct3710212440233730
9587666848467302
10136907795281880
113a6942a7292097
121343179376b648
135b514713974bc
1425b453078c160
1510c64450bb1a5
hex7c84548137d8

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".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 488956411721 977912823442 1955825646884 2444782058605 3422694882047 3911651293768 4889564117210 6845389764094 9779128234420 13690779528188 17113474410235 19558256468840 27381559056376 34226948820470 68453897640940 136907795281880