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1312152102 = 23324299113
BaseRepresentation
bin100111000110101…
…1101101000100110
310101110001020022000
41032031131220212
510141402331402
6334111550130
744342052222
oct11615355046
93343036260
101312152102
11613748328
1230752b346
1317bb01281
14c63a5782
157a2e0c1c
hex4e35da26

1312152102 has 16 divisors (see below), whose sum is σ = 2915893680. Its totient is φ = 437384016.

The previous prime is 1312152059. The next prime is 1312152109. The reversal of 1312152102 is 2012512131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312152109) 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, 12149503 + ... + 12149610.

It is an arithmetic number, because the mean of its divisors is an integer number (182243355).

Almost surely, 21312152102 is an apocalyptic number.

1312152102 is an abundant number, since it is smaller than the sum of its proper divisors (1603741578).

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

1312152102 is a wasteful number, since it uses less digits than its factorization.

1312152102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24299124 (or 24299118 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1312152102 is about 36223.6400986980. The cubic root of 1312152102 is about 1094.7830382679.

Adding to 1312152102 its reverse (2012512131), we get a palindrome (3324664233).

The spelling of 1312152102 in words is "one billion, three hundred twelve million, one hundred fifty-two thousand, one hundred two".

Divisors: 1 2 3 6 9 18 27 54 24299113 48598226 72897339 145794678 218692017 437384034 656076051 1312152102