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12303021310 = 252353491397
BaseRepresentation
bin10110111010101000…
…10011010011111110
31011202102022020102221
423131110103103332
5200144033140220
65352452235554
7613610645536
oct133524232376
934672266387
1012303021310
11524380a008
12247430bbba
131210b7c888
14849d7a4c6
154c01799aa
hex2dd5134fe

12303021310 has 16 divisors (see below), whose sum is σ = 23108283936. Its totient is φ = 4707242848.

The previous prime is 12303021299. The next prime is 12303021319. The reversal of 12303021310 is 1312030321.

It is a super-2 number, since 2×123030213102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303021319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26745469 + ... + 26745928.

It is an arithmetic number, because the mean of its divisors is an integer number (1444267746).

Almost surely, 212303021310 is an apocalyptic number.

12303021310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12303021310 is a deficient number, since it is larger than the sum of its proper divisors (10805262626).

12303021310 is a wasteful number, since it uses less digits than its factorization.

12303021310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53491427.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12303021310 its reverse (1312030321), we get a palindrome (13615051631).

The spelling of 12303021310 in words is "twelve billion, three hundred three million, twenty-one thousand, three hundred ten".

Divisors: 1 2 5 10 23 46 115 230 53491397 106982794 267456985 534913970 1230302131 2460604262 6151510655 12303021310