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10345481885 = 52069096377
BaseRepresentation
bin10011010001010001…
…11000011010011101
3222200222211221011202
421220220320122131
5132141420410020
64430323325245
7514241100524
oct115050703235
928628757152
1010345481885
114429833732
122008820825
13c8b45101b
14701db54bb
154083a2e75
hex268a3869d

10345481885 has 4 divisors (see below), whose sum is σ = 12414578268. Its totient is φ = 8276385504.

The previous prime is 10345481821. The next prime is 10345481897. The reversal of 10345481885 is 58818454301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58818454301 = 89660881509.

It can be written as a sum of positive squares in 2 ways, for example, as 7282744921 + 3062736964 = 85339^2 + 55342^2 .

It is a cyclic number.

It is not a de Polignac number, because 10345481885 - 26 = 10345481821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034548184 + ... + 1034548193.

It is an arithmetic number, because the mean of its divisors is an integer number (3103644567).

Almost surely, 210345481885 is an apocalyptic number.

It is an amenable number.

10345481885 is a deficient number, since it is larger than the sum of its proper divisors (2069096383).

10345481885 is an equidigital number, since it uses as much as digits as its factorization.

10345481885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069096382.

The product of its (nonzero) digits is 614400, while the sum is 47.

The spelling of 10345481885 in words is "ten billion, three hundred forty-five million, four hundred eighty-one thousand, eight hundred eighty-five".

Divisors: 1 5 2069096377 10345481885