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255430424292 = 2231710911487247
BaseRepresentation
bin1110110111100011010…
…1101111011011100100
3220102022101101222210220
43231320311233123210
513141110142034132
6313202040244340
724311542532361
oct3557065573344
9812271358726
10255430424292
11993668a740a
12416071706b0
131b1191521c4
14c511b17468
15699e943a2c
hex3b78d6f6e4

255430424292 has 48 divisors (see below), whose sum is σ = 636853029120. Its totient is φ = 79399844352.

The previous prime is 255430424281. The next prime is 255430424299. The reversal of 255430424292 is 292424034552.

It is a super-2 number, since 2×2554304242922 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255430424299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5721388 + ... + 5765859.

It is an arithmetic number, because the mean of its divisors is an integer number (13267771440).

Almost surely, 2255430424292 is an apocalyptic number.

It is an amenable number.

255430424292 is an abundant number, since it is smaller than the sum of its proper divisors (381422604828).

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

255430424292 is a wasteful number, since it uses less digits than its factorization.

255430424292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11487380 (or 11487378 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 255430424292 in words is "two hundred fifty-five billion, four hundred thirty million, four hundred twenty-four thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 109 204 218 327 436 654 1308 1853 3706 5559 7412 11118 22236 11487247 22974494 34461741 45948988 68923482 137846964 195283199 390566398 585849597 781132796 1171699194 1252109923 2343398388 2504219846 3756329769 5008439692 7512659538 15025319076 21285868691 42571737382 63857606073 85143474764 127715212146 255430424292