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20130102132 = 2237239644073
BaseRepresentation
bin10010101111110110…
…001111101101110100
31220221220100010211020
4102233312033231310
5312211301232012
613125253541140
71311562021260
oct225766175564
956856303736
1020130102132
11859aa10748
123a996447b0
131b8a62aa4a
14d8d6b10a0
157cc3b9a8c
hex4afd8fb74

20130102132 has 24 divisors (see below), whose sum is σ = 53680272576. Its totient is φ = 5751457728.

The previous prime is 20130102119. The next prime is 20130102143. The reversal of 20130102132 is 23120103102.

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, 119821953 + ... + 119822120.

It is an arithmetic number, because the mean of its divisors is an integer number (2236678024).

Almost surely, 220130102132 is an apocalyptic number.

It is an amenable number.

20130102132 is an abundant number, since it is smaller than the sum of its proper divisors (33550170444).

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

20130102132 is a wasteful number, since it uses less digits than its factorization.

20130102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239644087 (or 239644085 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20130102132 its reverse (23120103102), we get a palindrome (43250205234).

The spelling of 20130102132 in words is "twenty billion, one hundred thirty million, one hundred two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 239644073 479288146 718932219 958576292 1437864438 1677508511 2875728876 3355017022 5032525533 6710034044 10065051066 20130102132