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12297956090 = 2571627107981
BaseRepresentation
bin10110111010000001…
…11110101011111010
31011202001202220021012
423131000332223322
5200141234043330
65352151513522
7613516621250
oct133500765372
934661686235
1012297956090
11524096a482
1224726888a2
13120cac81c4
1484941c5d0
154be9c8c95
hex2dd03eafa

12297956090 has 32 divisors (see below), whose sum is σ = 25314436224. Its totient is φ = 4213811520.

The previous prime is 12297956063. The next prime is 12297956113. The reversal of 12297956090 is 9065979221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59900 + ... + 167880.

It is an arithmetic number, because the mean of its divisors is an integer number (791076132).

Almost surely, 212297956090 is an apocalyptic number.

12297956090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12297956090 is an abundant number, since it is smaller than the sum of its proper divisors (13016480134).

12297956090 is a wasteful number, since it uses less digits than its factorization.

12297956090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109622.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 12297956090 in words is "twelve billion, two hundred ninety-seven million, nine hundred fifty-six thousand, ninety".

Divisors: 1 2 5 7 10 14 35 70 1627 3254 8135 11389 16270 22778 56945 107981 113890 215962 539905 755867 1079810 1511734 3779335 7558670 175685087 351370174 878425435 1229795609 1756850870 2459591218 6148978045 12297956090