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12293610740 = 225614680537
BaseRepresentation
bin10110111001100000…
…11001110011110100
31011201202121010120022
423130300121303310
5200134131020430
65351514424312
7613434652505
oct133460316364
934652533508
1012293610740
115239471784
122471132098
13120bc363a8
14848a0abac
154be41b4e5
hex2dcc19cf4

12293610740 has 12 divisors (see below), whose sum is σ = 25816582596. Its totient is φ = 4917444288.

The previous prime is 12293610739. The next prime is 12293610743. The reversal of 12293610740 is 4701639221.

It can be written as a sum of positive squares in 2 ways, for example, as 2989464976 + 9304145764 = 54676^2 + 96458^2 .

It is a super-2 number, since 2×122936107402 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12293610740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12293610743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307340249 + ... + 307340288.

It is an arithmetic number, because the mean of its divisors is an integer number (2151381883).

Almost surely, 212293610740 is an apocalyptic number.

12293610740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12293610740 is an abundant number, since it is smaller than the sum of its proper divisors (13522971856).

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

12293610740 is a wasteful number, since it uses less digits than its factorization.

12293610740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614680546 (or 614680544 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 12293610740 in words is "twelve billion, two hundred ninety-three million, six hundred ten thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 614680537 1229361074 2458722148 3073402685 6146805370 12293610740