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13134575028 = 2232274821797
BaseRepresentation
bin11000011101110000…
…11011010110110100
31020220101000112200210
430032320123112310
5203344422400103
610011155305420
7643326021441
oct141670332664
936811015623
1013134575028
115630141693
1226668ab270
13131422c9b3
148c859a9c8
1551d185e03
hex30ee1b5b4

13134575028 has 24 divisors (see below), whose sum is σ = 30782358432. Its totient is φ = 4358903584.

The previous prime is 13134575023. The next prime is 13134575029. The reversal of 13134575028 is 82057543131.

It is a happy number.

It is a super-2 number, since 2×131345750282 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13134575023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408175 + ... + 2413622.

It is an arithmetic number, because the mean of its divisors is an integer number (1282598268).

Almost surely, 213134575028 is an apocalyptic number.

It is an amenable number.

13134575028 is an abundant number, since it is smaller than the sum of its proper divisors (17647783404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13134575028 is a wasteful number, since it uses less digits than its factorization.

13134575028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822031 (or 4822029 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 13134575028 in words is "thirteen billion, one hundred thirty-four million, five hundred seventy-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 227 454 681 908 1362 2724 4821797 9643594 14465391 19287188 28930782 57861564 1094547919 2189095838 3283643757 4378191676 6567287514 13134575028