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20130133012 = 22113131461671
BaseRepresentation
bin10010101111110110…
…010111010000010100
31220221220101201011221
4102233312113100110
5312211303224022
613125254340124
71311562210303
oct225766272024
956856351157
1020130133012
11859aa31970
123a9965a644
131b8a63bb12
14d8d6bc43a
157cc3c3cc7
hex4afd97414

20130133012 has 24 divisors (see below), whose sum is σ = 38553060672. Its totient is φ = 9120820800.

The previous prime is 20130133003. The next prime is 20130133027. The reversal of 20130133012 is 21033103102.

20130133012 is nontrivially palindromic in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717064 + ... + 744607.

It is an arithmetic number, because the mean of its divisors is an integer number (1606377528).

Almost surely, 220130133012 is an apocalyptic number.

20130133012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20130133012 is a deficient number, since it is larger than the sum of its proper divisors (18422927660).

20130133012 is a wasteful number, since it uses less digits than its factorization.

20130133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461999 (or 1461997 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20130133012 its reverse (21033103102), we get a palindrome (41163236114).

The spelling of 20130133012 in words is "twenty billion, one hundred thirty million, one hundred thirty-three thousand, twelve".

Divisors: 1 2 4 11 22 44 313 626 1252 3443 6886 13772 1461671 2923342 5846684 16078381 32156762 64313524 457503023 915006046 1830012092 5032533253 10065066506 20130133012