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255545522551001 = 631482478393993
BaseRepresentation
bin111010000110101011010100…
…000110000111100011011001
31020111210220122211211100122102
4322012223110012013203121
5231443324212233113001
62303255554204533145
7104553361163005154
oct7206532406074331
91214726584740572
10255545522551001
117447427a470771
12247b25265511b5
13ac78abb154697
14471667da0cc9b
151e824d37b1e6b
hexe86ad41878d9

255545522551001 has 8 divisors (see below), whose sum is σ = 255955843027584. Its totient is φ = 255135218960160.

The previous prime is 255545522550979. The next prime is 255545522551013. The reversal of 255545522551001 is 100155225545552.

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

It is a cyclic number.

It is not a de Polignac number, because 255545522551001 - 218 = 255545522288857 is a prime.

It is a super-2 number, since 2×2555455225510012 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255545522551801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26246861 + ... + 34640853.

It is an arithmetic number, because the mean of its divisors is an integer number (31994480378448).

Almost surely, 2255545522551001 is an apocalyptic number.

It is an amenable number.

255545522551001 is a deficient number, since it is larger than the sum of its proper divisors (410320476583).

255545522551001 is an equidigital number, since it uses as much as digits as its factorization.

255545522551001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442871.

The product of its (nonzero) digits is 2500000, while the sum is 47.

The spelling of 255545522551001 in words is "two hundred fifty-five trillion, five hundred forty-five billion, five hundred twenty-two million, five hundred fifty-one thousand, one".

Divisors: 1 631 48247 8393993 30443857 5296609583 404984980271 255545522551001