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255045155440992 = 25372937670352769
BaseRepresentation
bin111001111111011001010011…
…111001000100100101100000
31020110001002010101211112010220
4321333121103321010211200
5231412124434243102432
62302234043225123040
7104502255465520110
oct7177312371044540
91213032111745126
10255045155440992
11742a1052262074
1224731562629480
13ac40868c3c867
1446da373b47040
151e7449a81572c
hexe7f653e44960

255045155440992 has 384 divisors, whose sum is σ = 813048548659200. Its totient is φ = 68444226256896.

The previous prime is 255045155440991. The next prime is 255045155441051. The reversal of 255045155440992 is 299044551540552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255045155440991) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4833211984 + ... + 4833264752.

It is an arithmetic number, because the mean of its divisors is an integer number (2117313928800).

Almost surely, 2255045155440992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255045155440992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406524274329600).

255045155440992 is an abundant number, since it is smaller than the sum of its proper divisors (558003393218208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255045155440992 is a wasteful number, since it uses less digits than its factorization.

255045155440992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59558 (or 59550 counting only the distinct ones).

The product of its (nonzero) digits is 64800000, while the sum is 60.

The spelling of 255045155440992 in words is "two hundred fifty-five trillion, forty-five billion, one hundred fifty-five million, four hundred forty thousand, nine hundred ninety-two".