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1310120120 = 23541577879
BaseRepresentation
bin100111000010110…
…1101100010111000
310101022012222221102
41032011231202320
510140342320440
6334000230532
744315560121
oct11605554270
93338188842
101310120120
1161258a701
1230690b448
1317b56c40a
14c5dd7048
157a03db15
hex4e16d8b8

1310120120 has 32 divisors (see below), whose sum is σ = 2948853600. Its totient is φ = 523855488.

The previous prime is 1310120111. The next prime is 1310120137. The reversal of 1310120120 is 210210131.

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, 162341 + ... + 170219.

It is an arithmetic number, because the mean of its divisors is an integer number (92151675).

Almost surely, 21310120120 is an apocalyptic number.

1310120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310120120 is an abundant number, since it is smaller than the sum of its proper divisors (1638733480).

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

1310120120 is a wasteful number, since it uses less digits than its factorization.

1310120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12047 (or 12043 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1310120120 is about 36195.5814982989. The cubic root of 1310120120 is about 1094.2176239556.

Adding to 1310120120 its reverse (210210131), we get a palindrome (1520330251).

The spelling of 1310120120 in words is "one billion, three hundred ten million, one hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 4157 7879 8314 15758 16628 20785 31516 33256 39395 41570 63032 78790 83140 157580 166280 315160 32753003 65506006 131012012 163765015 262024024 327530030 655060060 1310120120