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13616231253 = 319332297283
BaseRepresentation
bin11001010111001011…
…10011001101010101
31022010221100012211020
430223211303031111
5210341223400003
610131043031353
7661265025132
oct145345631525
938127305736
1013616231253
11585800a089
12278006b559
13138cc61491
14932539589
1554a5c8d53
hex32b973355

13616231253 has 16 divisors (see below), whose sum is σ = 18257200320. Its totient is φ = 9026417664.

The previous prime is 13616231227. The next prime is 13616231261. The reversal of 13616231253 is 35213261631.

It is not a de Polignac number, because 13616231253 - 28 = 13616230997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13616281253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1865950 + ... + 1873232.

It is an arithmetic number, because the mean of its divisors is an integer number (1141075020).

Almost surely, 213616231253 is an apocalyptic number.

It is an amenable number.

13616231253 is a deficient number, since it is larger than the sum of its proper divisors (4640969067).

13616231253 is a wasteful number, since it uses less digits than its factorization.

13616231253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10708.

The product of its digits is 19440, while the sum is 33.

Adding to 13616231253 its reverse (35213261631), we get a palindrome (48829492884).

The spelling of 13616231253 in words is "thirteen billion, six hundred sixteen million, two hundred thirty-one thousand, two hundred fifty-three".

Divisors: 1 3 193 579 3229 7283 9687 21849 623197 1405619 1869591 4216857 23516807 70550421 4538743751 13616231253