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12659390330 = 2531228117903
BaseRepresentation
bin10111100101000111…
…01111011101111010
31012200020212122211112
423302203233131322
5201411300442310
65452102400322
7625466020346
oct136243573572
935606778745
1012659390330
115406994364
1225537300a2
131269955a12
14881424626
154e15c0705
hex2f28ef77a

12659390330 has 32 divisors (see below), whose sum is σ = 23533590528. Its totient is φ = 4897987200.

The previous prime is 12659390327. The next prime is 12659390347. The reversal of 12659390330 is 3309395621.

It is a Curzon 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, 698159 + ... + 716061.

It is an arithmetic number, because the mean of its divisors is an integer number (735424704).

Almost surely, 212659390330 is an apocalyptic number.

12659390330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12659390330 is a deficient number, since it is larger than the sum of its proper divisors (10874200198).

12659390330 is a wasteful number, since it uses less digits than its factorization.

12659390330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222.

The product of its (nonzero) digits is 131220, while the sum is 41.

The spelling of 12659390330 in words is "twelve billion, six hundred fifty-nine million, three hundred ninety thousand, three hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 2281 4562 11405 17903 22810 35806 70711 89515 141422 179030 353555 554993 707110 1109986 2774965 5549930 40836743 81673486 204183715 408367430 1265939033 2531878066 6329695165 12659390330