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10256242155 = 351030166377
BaseRepresentation
bin10011000110101000…
…11101010111101011
3222110202221002021120
421203110131113223
5132001044222110
64413414510323
7512105422425
oct114324352753
928422832246
1010256242155
114393421595
121ba29653a3
13c75b07153
146d41c5815
15400626870
hex26351d5eb

10256242155 has 16 divisors (see below), whose sum is σ = 16411827744. Its totient is φ = 5469382400.

The previous prime is 10256242057. The next prime is 10256242163. The reversal of 10256242155 is 55124265201.

It is not a de Polignac number, because 10256242155 - 29 = 10256241643 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121327 + ... + 187703.

It is an arithmetic number, because the mean of its divisors is an integer number (1025739234).

Almost surely, 210256242155 is an apocalyptic number.

10256242155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10256242155 is a deficient number, since it is larger than the sum of its proper divisors (6155585589).

10256242155 is a wasteful number, since it uses less digits than its factorization.

10256242155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76686.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 10256242155 in words is "ten billion, two hundred fifty-six million, two hundred forty-two thousand, one hundred fifty-five".

Divisors: 1 3 5 15 10301 30903 51505 66377 154515 199131 331885 995655 683749477 2051248431 3418747385 10256242155