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256345314043 = 7132816981473
BaseRepresentation
bin1110111010111101011…
…1110001001011111011
3220111200010221012121111
43232233113301023323
513144443400022133
6313432521421151
724343322134420
oct3565727611373
9814603835544
10256345314043
1199796279645
124182163a7b7
131b23385cca0
14c59b42bd47
156a04e121cd
hex3baf5f12fb

256345314043 has 8 divisors (see below), whose sum is σ = 315501925088. Its totient is φ = 202822665984.

The previous prime is 256345314019. The next prime is 256345314059. The reversal of 256345314043 is 340413543652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256345314043 - 25 = 256345314011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256345313987 and 256345314005.

It is not an unprimeable number, because it can be changed into a prime (256345314013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408490646 + ... + 1408490827.

It is an arithmetic number, because the mean of its divisors is an integer number (39437740636).

Almost surely, 2256345314043 is an apocalyptic number.

256345314043 is a deficient number, since it is larger than the sum of its proper divisors (59156611045).

256345314043 is a wasteful number, since it uses less digits than its factorization.

256345314043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816981493.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 256345314043 its reverse (340413543652), we get a palindrome (596758857695).

The spelling of 256345314043 in words is "two hundred fifty-six billion, three hundred forty-five million, three hundred fourteen thousand, forty-three".

Divisors: 1 7 13 91 2816981473 19718870311 36620759149 256345314043