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13513023224 = 231689127903
BaseRepresentation
bin11001001010111000…
…00101111011111000
31021212202010201000122
430211130011323320
5210133313220344
610112514552412
7655602542111
oct144534057370
937782121018
1013513023224
115804827398
122751598708
13137476673c
14922951208
155414ddaee
hex325705ef8

13513023224 has 8 divisors (see below), whose sum is σ = 25336918560. Its totient is φ = 6756511608.

The previous prime is 13513023217. The next prime is 13513023281. The reversal of 13513023224 is 42232031531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13513023193 and 13513023202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 844563944 + ... + 844563959.

It is an arithmetic number, because the mean of its divisors is an integer number (3167114820).

Almost surely, 213513023224 is an apocalyptic number.

It is an amenable number.

13513023224 is a deficient number, since it is larger than the sum of its proper divisors (11823895336).

13513023224 is a wasteful number, since it uses less digits than its factorization.

13513023224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689127909 (or 1689127905 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13513023224 its reverse (42232031531), we get a palindrome (55745054755).

The spelling of 13513023224 in words is "thirteen billion, five hundred thirteen million, twenty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 1689127903 3378255806 6756511612 13513023224