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BaseRepresentation
bin11010000101000100…
…01010001000010011
31100010202122020112212
431002202022020103
5212133243340111
610233153142335
71003650555452
oct150242121023
940122566485
1014001152531
115a35316143
122868b5a9ab
131421923652
1496b6d6b99
1556e2ae98b
hex34288a213

14001152531 has 4 divisors (see below), whose sum is σ = 14002006200. Its totient is φ = 14000298864.

The previous prime is 14001152509. The next prime is 14001152567. The reversal of 14001152531 is 13525110041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13525110041 = 22376046093.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14001152531 is a prime.

It is a super-2 number, since 2×140011525312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14001152497 and 14001152506.

It is not an unprimeable number, because it can be changed into a prime (14001152591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401741 + ... + 435198.

It is an arithmetic number, because the mean of its divisors is an integer number (3500501550).

Almost surely, 214001152531 is an apocalyptic number.

14001152531 is a deficient number, since it is larger than the sum of its proper divisors (853669).

14001152531 is an equidigital number, since it uses as much as digits as its factorization.

14001152531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853668.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 14001152531 its reverse (13525110041), we get a palindrome (27526262572).

The spelling of 14001152531 in words is "fourteen billion, one million, one hundred fifty-two thousand, five hundred thirty-one".

Divisors: 1 16729 836939 14001152531