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10255105561 = 43269886583
BaseRepresentation
bin10011000110100000…
…00111111000011001
3222110200210100011111
421203100013320121
5132000301334221
64413334300321
7512062646641
oct114320077031
928420710144
1010255105561
114392815658
121ba24b76a1
13c757c99cc
146d3dab521
1540049ebe1
hex263407e19

10255105561 has 8 divisors (see below), whose sum is σ = 10532617920. Its totient is φ = 9979366992.

The previous prime is 10255105547. The next prime is 10255105573. The reversal of 10255105561 is 16550155201.

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 10255105561 - 225 = 10221551129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10255105501) 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, 431725 + ... + 454858.

It is an arithmetic number, because the mean of its divisors is an integer number (1316577240).

Almost surely, 210255105561 is an apocalyptic number.

It is an amenable number.

10255105561 is a deficient number, since it is larger than the sum of its proper divisors (277512359).

10255105561 is an equidigital number, since it uses as much as digits as its factorization.

10255105561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886895.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 10255105561 in words is "ten billion, two hundred fifty-five million, one hundred five thousand, five hundred sixty-one".

Divisors: 1 43 269 11567 886583 38123069 238490827 10255105561