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14531502505 = 5131713150681
BaseRepresentation
bin11011000100010010…
…10010000110101001
31101111201120210221111
431202021102012221
5214230031040010
610401540310321
71023050506342
oct154211220651
941451523844
1014531502505
116187721a03
1229966a23a1
1314a7773ac0
149bbd0d0c9
155a0b2058a
hex3622521a9

14531502505 has 16 divisors (see below), whose sum is σ = 19883831184. Its totient is φ = 10099722240.

The previous prime is 14531502481. The next prime is 14531502521. The reversal of 14531502505 is 50520513541.

It can be written as a sum of positive squares in 8 ways, for example, as 82500889 + 14449001616 = 9083^2 + 120204^2 .

It is not a de Polignac number, because 14531502505 - 29 = 14531501993 is a prime.

It is a super-2 number, since 2×145315025052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian 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, 6574236 + ... + 6576445.

It is an arithmetic number, because the mean of its divisors is an integer number (1242739449).

Almost surely, 214531502505 is an apocalyptic number.

It is an amenable number.

14531502505 is a deficient number, since it is larger than the sum of its proper divisors (5352328679).

14531502505 is a wasteful number, since it uses less digits than its factorization.

14531502505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13150716.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 14531502505 in words is "fourteen billion, five hundred thirty-one million, five hundred two thousand, five hundred five".

Divisors: 1 5 13 17 65 85 221 1105 13150681 65753405 170958853 223561577 854794265 1117807885 2906300501 14531502505