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255355422300025 = 5227736874429213
BaseRepresentation
bin111010000011111010010001…
…001111001101011101111001
31020111010201222102200000210021
4322003322101033031131321
5231432220401102100100
62303032354520450441
7104533551261354205
oct7203722117153571
91214121872600707
10255355422300025
1174400698871533
1224781712319a21
13ac63bb3b21b88
14470b3a8635b05
151e7c5a94e6a1a
hexe83e913cd779

255355422300025 has 12 divisors (see below), whose sum is σ = 317783830966252. Its totient is φ = 203546849250240.

The previous prime is 255355422300019. The next prime is 255355422300029. The reversal of 255355422300025 is 520003224553552.

It can be written as a sum of positive squares in 6 ways, for example, as 32716077721209 + 222639344578816 = 5719797^2 + 14921104^2 .

It is not a de Polignac number, because 255355422300025 - 219 = 255355421775737 is a prime.

It is a super-2 number, since 2×2553554223000252 (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 (255355422300029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18437207682 + ... + 18437221531.

Almost surely, 2255355422300025 is an apocalyptic number.

255355422300025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255355422300025 is a deficient number, since it is larger than the sum of its proper divisors (62428408666227).

255355422300025 is a wasteful number, since it uses less digits than its factorization.

255355422300025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36874429500 (or 36874429495 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 43.

Adding to 255355422300025 its reverse (520003224553552), we get a palindrome (775358646853577).

The spelling of 255355422300025 in words is "two hundred fifty-five trillion, three hundred fifty-five billion, four hundred twenty-two million, three hundred thousand, twenty-five".

Divisors: 1 5 25 277 1385 6925 36874429213 184372146065 921860730325 10214216892001 51071084460005 255355422300025