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13124163660 = 2235218736061
BaseRepresentation
bin11000011100100001…
…01101100001001100
31020212122102120222120
430032100231201030
5203334241214120
610010144212540
7643141356546
oct141620554114
936778376876
1013124163660
115625280453
12266330a150
131312025b1a
148c704a696
1551c2cb140
hex30e42d84c

13124163660 has 24 divisors (see below), whose sum is σ = 36747658416. Its totient is φ = 3499776960.

The previous prime is 13124163649. The next prime is 13124163667. The reversal of 13124163660 is 6636142131.

It is not an unprimeable number, because it can be changed into a prime (13124163667) 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, 109367971 + ... + 109368090.

It is an arithmetic number, because the mean of its divisors is an integer number (1531152434).

Almost surely, 213124163660 is an apocalyptic number.

13124163660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124163660 is an abundant number, since it is smaller than the sum of its proper divisors (23623494756).

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

13124163660 is a wasteful number, since it uses less digits than its factorization.

13124163660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218736073 (or 218736071 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 13124163660 in words is "thirteen billion, one hundred twenty-four million, one hundred sixty-three thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 218736061 437472122 656208183 874944244 1093680305 1312416366 2187360610 2624832732 3281040915 4374721220 6562081830 13124163660