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12302342454 = 2337103538019
BaseRepresentation
bin10110111010100011…
…01101100100110110
31011202101000202020010
423131101231210312
5200143344424304
65352425521050
7613602120423
oct133521554466
934671022203
1012302342454
115243395a76
122474043186
1312109a289c
14849c40d4a
154c0093789
hex2dd46d936

12302342454 has 32 divisors (see below), whose sum is σ = 25515060480. Its totient is φ = 3951204192.

The previous prime is 12302342399. The next prime is 12302342477. The reversal of 12302342454 is 45424320321.

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, 246144 + ... + 291875.

It is an arithmetic number, because the mean of its divisors is an integer number (797345640).

Almost surely, 212302342454 is an apocalyptic number.

12302342454 is an abundant number, since it is smaller than the sum of its proper divisors (13212718026).

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

12302342454 is a wasteful number, since it uses less digits than its factorization.

12302342454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538164.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 12302342454 its reverse (45424320321), we get a palindrome (57726662775).

The spelling of 12302342454 in words is "twelve billion, three hundred two million, three hundred forty-two thousand, four hundred fifty-four".

Divisors: 1 2 3 6 37 74 103 111 206 222 309 618 3811 7622 11433 22866 538019 1076038 1614057 3228114 19906703 39813406 55415957 59720109 110831914 119440218 166247871 332495742 2050390409 4100780818 6151171227 12302342454