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1312020102 = 231559140263
BaseRepresentation
bin100111000110011…
…1101011010000110
310101102210112020010
41032030331122012
510141334120402
6334105051050
744340662331
oct11614753206
93342715203
101312020102
11613668138
12307486a86
1317ba86173
14c636d618
157a2b6a6c
hex4e33d686

1312020102 has 16 divisors (see below), whose sum is σ = 2625742080. Its totient is φ = 437056392.

The previous prime is 1312020097. The next prime is 1312020103. The reversal of 1312020102 is 2010202131.

1312020102 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312020103) 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, 60778 + ... + 79485.

It is an arithmetic number, because the mean of its divisors is an integer number (164108880).

Almost surely, 21312020102 is an apocalyptic number.

1312020102 is an abundant number, since it is smaller than the sum of its proper divisors (1313721978).

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

1312020102 is a wasteful number, since it uses less digits than its factorization.

1312020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141827.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1312020102 is about 36221.8180383039. The cubic root of 1312020102 is about 1094.7463260079.

Adding to 1312020102 its reverse (2010202131), we get a palindrome (3322222233).

The spelling of 1312020102 in words is "one billion, three hundred twelve million, twenty thousand, one hundred two".

Divisors: 1 2 3 6 1559 3118 4677 9354 140263 280526 420789 841578 218670017 437340034 656010051 1312020102