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12303412434 = 233307742153
BaseRepresentation
bin10110111010101011…
…10010110011010010
31011202110001002222000
423131111302303102
5200144133144214
65352504454430
7613614165045
oct133525626322
934673032860
1012303412434
115243a56955
12247447a416
131210c88901
1484a03cc5c
154c0205809
hex2dd572cd2

12303412434 has 32 divisors (see below), whose sum is σ = 27430011840. Its totient is φ = 4087773216.

The previous prime is 12303412427. The next prime is 12303412469. The reversal of 12303412434 is 43421430321.

It is a super-2 number, since 2×123034124342 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12303412398 and 12303412407.

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, 354499 + ... + 387654.

It is an arithmetic number, because the mean of its divisors is an integer number (857187870).

Almost surely, 212303412434 is an apocalyptic number.

12303412434 is an abundant number, since it is smaller than the sum of its proper divisors (15126599406).

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

12303412434 is a wasteful number, since it uses less digits than its factorization.

12303412434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742471 (or 742465 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12303412434 its reverse (43421430321), we get a palindrome (55724842755).

The spelling of 12303412434 in words is "twelve billion, three hundred three million, four hundred twelve thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 307 614 921 1842 2763 5526 8289 16578 742153 1484306 2226459 4452918 6679377 13358754 20038131 40076262 227840971 455681942 683522913 1367045826 2050568739 4101137478 6151706217 12303412434