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12966307990 = 258531520083
BaseRepresentation
bin11000001001101101…
…00010100010010110
31020110122101200201021
430010312202202112
5203023333323430
65542344551354
7636213541126
oct140466424226
936418350637
1012966307990
115554163119
12261a48255a
1312b84063bc
148b00b8c86
1550d4e907a
hex304da2896

12966307990 has 16 divisors (see below), whose sum is σ = 23366731248. Its totient is φ = 5180439456.

The previous prime is 12966307957. The next prime is 12966308027. The reversal of 12966307990 is 9970366921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751512 + ... + 768571.

It is an arithmetic number, because the mean of its divisors is an integer number (1460420703).

Almost surely, 212966307990 is an apocalyptic number.

12966307990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12966307990 is a deficient number, since it is larger than the sum of its proper divisors (10400423258).

12966307990 is a wasteful number, since it uses less digits than its factorization.

12966307990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520943.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The spelling of 12966307990 in words is "twelve billion, nine hundred sixty-six million, three hundred seven thousand, nine hundred ninety".

Divisors: 1 2 5 10 853 1706 4265 8530 1520083 3040166 7600415 15200830 1296630799 2593261598 6483153995 12966307990