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12102101310 = 2351331031029
BaseRepresentation
bin10110100010101011…
…10110100100111110
31011020102020110000110
423101111312210332
5144241114220220
65320514010450
7605621110125
oct132125664476
934212213013
1012102101310
115150358922
122418b76a26
1311ab3628c0
1482b3d8abc
154ac6dcbe0
hex2d157693e

12102101310 has 32 divisors (see below), whose sum is σ = 31279278240. Its totient is φ = 2978978688.

The previous prime is 12102101261. The next prime is 12102101329. The reversal of 12102101310 is 1310120121.

It is a super-2 number, since 2×121021013102 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15515125 + ... + 15515904.

It is an arithmetic number, because the mean of its divisors is an integer number (977477445).

Almost surely, 212102101310 is an apocalyptic number.

12102101310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102101310 is an abundant number, since it is smaller than the sum of its proper divisors (19177176930).

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

12102101310 is a wasteful number, since it uses less digits than its factorization.

12102101310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31031052.

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

Adding to 12102101310 its reverse (1310120121), we get a palindrome (13412221431).

The spelling of 12102101310 in words is "twelve billion, one hundred two million, one hundred one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 31031029 62062058 93093087 155155145 186186174 310310290 403403377 465465435 806806754 930930870 1210210131 2017016885 2420420262 4034033770 6051050655 12102101310