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12331402331020 = 2256710739856927
BaseRepresentation
bin1011001101110010000011…
…0110110000001110001100
31121122212111122000211102121
42303130200312300032030
53104014202444043040
642120545032102324
72411625434235343
oct263344066601614
947585448024377
1012331402331020
113a2479a156193
121471aa98349a4
136b5b0029a046
14308bb34c6b5a
15165b7c3adc4a
hexb3720db038c

12331402331020 has 48 divisors (see below), whose sum is σ = 26284929592320. Its totient is φ = 4858482492864.

The previous prime is 12331402331011. The next prime is 12331402331063. The reversal of 12331402331020 is 2013320413321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13961797 + ... + 14818723.

It is an arithmetic number, because the mean of its divisors is an integer number (547602699840).

Almost surely, 212331402331020 is an apocalyptic number.

12331402331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331402331020 is an abundant number, since it is smaller than the sum of its proper divisors (13953527261300).

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

12331402331020 is a wasteful number, since it uses less digits than its factorization.

12331402331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867742 (or 867740 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12331402331020 its reverse (2013320413321), we get a palindrome (14344722744341).

The spelling of 12331402331020 in words is "twelve trillion, three hundred thirty-one billion, four hundred two million, three hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 10739 21478 42956 53695 107390 214780 719513 856927 1439026 1713854 2878052 3427708 3597565 4284635 7195130 8569270 14390260 17138540 57414109 114828218 229656436 287070545 574141090 1148282180 9202539053 18405078106 36810156212 46012695265 92025390530 184050781060 616570116551 1233140233102 2466280466204 3082850582755 6165701165510 12331402331020