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12653228470 = 251265322847
BaseRepresentation
bin10111100100011000…
…01111000110110110
31012122211021121100111
423302030033012312
5201403211302340
65451322333234
7625362444631
oct136214170666
935584247314
1012653228470
115403465913
12255165a21a
1312685a914c
1488069cc18
154e0ca4aea
hex2f230f1b6

12653228470 has 8 divisors (see below), whose sum is σ = 22775811264. Its totient is φ = 5061291384.

The previous prime is 12653228459. The next prime is 12653228479. The reversal of 12653228470 is 7482235621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12653228479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632661414 + ... + 632661433.

It is an arithmetic number, because the mean of its divisors is an integer number (2846976408).

Almost surely, 212653228470 is an apocalyptic number.

12653228470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12653228470 is a deficient number, since it is larger than the sum of its proper divisors (10122582794).

12653228470 is a wasteful number, since it uses less digits than its factorization.

12653228470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265322854.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 12653228470 in words is "twelve billion, six hundred fifty-three million, two hundred twenty-eight thousand, four hundred seventy".

Divisors: 1 2 5 10 1265322847 2530645694 6326614235 12653228470