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12241520340 = 2235729146477
BaseRepresentation
bin10110110011010011…
…01100011011010100
31011121010120122222020
423121221230123110
5200032312122330
65342414133140
7612233130450
oct133151543324
934533518866
1012241520340
115212023465
1224577b11b0
1312011c867a
14841b2b660
154b9a7c210
hex2d9a6c6d4

12241520340 has 48 divisors (see below), whose sum is σ = 39172866432. Its totient is φ = 2798061696.

The previous prime is 12241520323. The next prime is 12241520359. The reversal of 12241520340 is 4302514221.

It is a self number, because there is not a number n which added to its sum of digits gives 12241520340.

It is a congruent number.

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, 14572819 + ... + 14573658.

It is an arithmetic number, because the mean of its divisors is an integer number (816101384).

Almost surely, 212241520340 is an apocalyptic number.

12241520340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12241520340 is an abundant number, since it is smaller than the sum of its proper divisors (26931346092).

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

12241520340 is a wasteful number, since it uses less digits than its factorization.

12241520340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29146496 (or 29146494 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The spelling of 12241520340 in words is "twelve billion, two hundred forty-one million, five hundred twenty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 29146477 58292954 87439431 116585908 145732385 174878862 204025339 291464770 349757724 408050678 437197155 582929540 612076017 816101356 874394310 1020126695 1224152034 1748788620 2040253390 2448304068 3060380085 4080506780 6120760170 12241520340