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13724489823 = 3111273274753
BaseRepresentation
bin11001100100000101…
…10001100001011111
31022102111001022122220
430302002301201133
5211101432133243
610145511240423
7664051144602
oct146202614137
938374038586
1013724489823
115903131380
1227b0379113
1313a9506cc5
14942a7a339
15554d60783
hex3320b185f

13724489823 has 16 divisors (see below), whose sum is σ = 20120088576. Its totient is φ = 8252375040.

The previous prime is 13724489741. The next prime is 13724489837. The reversal of 13724489823 is 32898442731.

It is not a de Polignac number, because 13724489823 - 212 = 13724485727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13724489893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1633186 + ... + 1641567.

It is an arithmetic number, because the mean of its divisors is an integer number (1257505536).

Almost surely, 213724489823 is an apocalyptic number.

13724489823 is a deficient number, since it is larger than the sum of its proper divisors (6395598753).

13724489823 is a wasteful number, since it uses less digits than its factorization.

13724489823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274894.

The product of its digits is 2322432, while the sum is 51.

The spelling of 13724489823 in words is "thirteen billion, seven hundred twenty-four million, four hundred eighty-nine thousand, eight hundred twenty-three".

Divisors: 1 3 11 33 127 381 1397 4191 3274753 9824259 36022283 108066849 415893631 1247680893 4574829941 13724489823