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13983632450 = 252279672649
BaseRepresentation
bin11010000010111110…
…10100110001000010
31100002112200010111222
431001133110301002
5212114302214300
610231325435042
71003345625504
oct150137246102
940075603458
1013983632450
115a2643a037
12286310ba82
13141b0cac38
14969255d74
1556c99d785
hex3417d4c42

13983632450 has 12 divisors (see below), whose sum is σ = 26009556450. Its totient is φ = 5593452960.

The previous prime is 13983632449. The next prime is 13983632461. The reversal of 13983632450 is 5423638931.

It can be written as a sum of positive squares in 3 ways, for example, as 12762898729 + 1220733721 = 112973^2 + 34939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139836275 + ... + 139836374.

Almost surely, 213983632450 is an apocalyptic number.

13983632450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13983632450 is a deficient number, since it is larger than the sum of its proper divisors (12025924000).

13983632450 is a wasteful number, since it uses less digits than its factorization.

13983632450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279672661 (or 279672656 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 13983632450 in words is "thirteen billion, nine hundred eighty-three million, six hundred thirty-two thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 279672649 559345298 1398363245 2796726490 6991816225 13983632450