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2013231023132 = 22771901107969
BaseRepresentation
bin11101010010111101111…
…010111000010000011100
321010110111112100110120212
4131102331322320100130
5230441044120220012
64140510543431552
7265310512226360
oct35227572702034
97113445313525
102013231023132
1170689647834a
12286216bb55b8
13117b01762c44
146d625b952a0
153757e865b22
hex1d4bdeb841c

2013231023132 has 12 divisors (see below), whose sum is σ = 4026462046320. Its totient is φ = 862813295616.

The previous prime is 2013231023071. The next prime is 2013231023143. The reversal of 2013231023132 is 2313201323102.

2013231023132 is an admirable number.

It is a super-2 number, since 2×20132310231322 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2013231023098 and 2013231023107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35950553957 + ... + 35950554012.

It is an arithmetic number, because the mean of its divisors is an integer number (335538503860).

Almost surely, 22013231023132 is an apocalyptic number.

It is an amenable number.

2013231023132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2013231023132 is a wasteful number, since it uses less digits than its factorization.

2013231023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71901107980 (or 71901107978 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2013231023132 its reverse (2313201323102), we get a palindrome (4326432346234).

The spelling of 2013231023132 in words is "two trillion, thirteen billion, two hundred thirty-one million, twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 71901107969 143802215938 287604431876 503307755783 1006615511566 2013231023132