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255143502044231 = 1913428605370749
BaseRepresentation
bin111010000000110100111001…
…110011100101110001000111
31020110101110222100022121102112
4322000310321303211301013
5231420232343010403411
62302351150130131235
7104512336555042643
oct7200647163456107
91213343870277375
10255143502044231
117432982a365769
122474862a720b1b
13ac49c1003c008
144701023373c23
151e76d04804b8b
hexe80d39ce5c47

255143502044231 has 4 divisors (see below), whose sum is σ = 268572107415000. Its totient is φ = 241714896673464.

The previous prime is 255143502044159. The next prime is 255143502044261. The reversal of 255143502044231 is 132440205341552.

255143502044231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255143502044231 - 218 = 255143501782087 is a prime.

It is a super-2 number, since 2×2551435020442312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255143502044261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6714302685356 + ... + 6714302685393.

It is an arithmetic number, because the mean of its divisors is an integer number (67143026853750).

Almost surely, 2255143502044231 is an apocalyptic number.

255143502044231 is a deficient number, since it is larger than the sum of its proper divisors (13428605370769).

255143502044231 is a wasteful number, since it uses less digits than its factorization.

255143502044231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13428605370768.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 255143502044231 its reverse (132440205341552), we get a palindrome (387583707385783).

The spelling of 255143502044231 in words is "two hundred fifty-five trillion, one hundred forty-three billion, five hundred two million, forty-four thousand, two hundred thirty-one".

Divisors: 1 19 13428605370749 255143502044231