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102312131210030 = 2578211780270249
BaseRepresentation
bin10111010000110101100110…
…001111001010101100101110
3111102020221111100002201200002
4113100311212033022230232
5101402240221042210110
61001333313314504302
730356543663150150
oct2720654617125456
9442227440081602
10102312131210030
112a666370883975
12b584939895092
134511cb98c0bb1
141b39d0da18ad0
15bc658ee98aa5
hex5d0d663cab2e

102312131210030 has 32 divisors (see below), whose sum is σ = 210727028952000. Its totient is φ = 35035718480640.

The previous prime is 102312131209997. The next prime is 102312131210039. The reversal of 102312131210030 is 30012131213201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102312131209984 and 102312131210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312131210039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890077655 + ... + 890192594.

It is an arithmetic number, because the mean of its divisors is an integer number (6585219654750).

Almost surely, 2102312131210030 is an apocalyptic number.

102312131210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102312131210030 is an abundant number, since it is smaller than the sum of its proper divisors (108414897741970).

102312131210030 is a wasteful number, since it uses less digits than its factorization.

102312131210030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780271084.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 102312131210030 its reverse (30012131213201), we get a palindrome (132324262423231).

The spelling of 102312131210030 in words is "one hundred two trillion, three hundred twelve billion, one hundred thirty-one million, two hundred ten thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 821 1642 4105 5747 8210 11494 28735 57470 1780270249 3560540498 8901351245 12461891743 17802702490 24923783486 62309458715 124618917430 1461601874429 2923203748858 7308009372145 10231213121003 14616018744290 20462426242006 51156065605015 102312131210030