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255137012666713 = 428297448979973
BaseRepresentation
bin111010000000101110110111…
…000000100101000101011001
31020110100212020002102002000001
4322000232313000211011121
5231420131100220313323
62302344154152213001
7104512020006201652
oct7200566700450531
91213325202362001
10255137012666713
1174326aaa273351
122474731939a161
13ac4941776a168
1447009a9576529
151e76a74c513ad
hexe80bb7025159

255137012666713 has 8 divisors (see below), whose sum is σ = 255149585425800. Its totient is φ = 255124440302208.

The previous prime is 255137012666587. The next prime is 255137012666729. The reversal of 255137012666713 is 317666210731552.

It can be written as a sum of positive squares in 4 ways, for example, as 84249580065049 + 170887432601664 = 9178757^2 + 13072392^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255137012666713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255137012666413) 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, 3190249395 + ... + 3190329367.

It is an arithmetic number, because the mean of its divisors is an integer number (31893698178225).

Almost surely, 2255137012666713 is an apocalyptic number.

It is an amenable number.

255137012666713 is a deficient number, since it is larger than the sum of its proper divisors (12572759087).

255137012666713 is an equidigital number, since it uses as much as digits as its factorization.

255137012666713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197291.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 255137012666713 in words is "two hundred fifty-five trillion, one hundred thirty-seven billion, twelve million, six hundred sixty-six thousand, seven hundred thirteen".

Divisors: 1 42829 74489 79973 3190289381 3425163617 5957108797 255137012666713