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256460157230 = 25472412264149
BaseRepresentation
bin1110111011011000110…
…1110111000100101110
3220111222011000211211212
43232312031313010232
513200212300012410
6313452143114422
724346215240254
oct3566615670456
9814864024755
10256460157230
1199845088a72
1241853ba2a12
131b25159c934
14c5ac7a45d4
156a10049b05
hex3bb637712e

256460157230 has 32 divisors (see below), whose sum is σ = 473406595200. Its totient is φ = 99984775680.

The previous prime is 256460157197. The next prime is 256460157257. The reversal of 256460157230 is 32751064652.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1018805 + ... + 1245344.

It is an arithmetic number, because the mean of its divisors is an integer number (14793956100).

Almost surely, 2256460157230 is an apocalyptic number.

256460157230 is a deficient number, since it is larger than the sum of its proper divisors (216946437970).

256460157230 is a wasteful number, since it uses less digits than its factorization.

256460157230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264444.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 256460157230 in words is "two hundred fifty-six billion, four hundred sixty million, one hundred fifty-seven thousand, two hundred thirty".

Divisors: 1 2 5 10 47 94 235 241 470 482 1205 2410 11327 22654 56635 113270 2264149 4528298 11320745 22641490 106415003 212830006 532075015 545659909 1064150030 1091319818 2728299545 5456599090 25646015723 51292031446 128230078615 256460157230