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13105323425240 = 235422277758853
BaseRepresentation
bin1011111010110101001000…
…1001011011110111011000
31201101212010112002220002222
42332231102021123313120
53204204200244101430
643512300311043212
72521554063060164
oct276552211336730
951355115086088
1013105323425240
1141a2a33466a92
121577a96370508
13740a99336a07
14334430097ca4
1517ad75e129e5
hexbeb5225bdd8

13105323425240 has 32 divisors (see below), whose sum is σ = 29487679804080. Its totient is φ = 5242004552832.

The previous prime is 13105323425219. The next prime is 13105323425347. The reversal of 13105323425240 is 4252432350131.

It is a self number, because there is not a number n which added to its sum of digits gives 13105323425240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2190347 + ... + 5568506.

Almost surely, 213105323425240 is an apocalyptic number.

13105323425240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13105323425240 is an abundant number, since it is smaller than the sum of its proper divisors (16382356378840).

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

13105323425240 is a wasteful number, since it uses less digits than its factorization.

13105323425240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801091 (or 7801087 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 13105323425240 its reverse (4252432350131), we get a palindrome (17357755775371).

The spelling of 13105323425240 in words is "thirteen trillion, one hundred five billion, three hundred twenty-three million, four hundred twenty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 42227 84454 168908 211135 337816 422270 844540 1689080 7758853 15517706 31035412 38794265 62070824 77588530 155177060 310354120 327633085631 655266171262 1310532342524 1638165428155 2621064685048 3276330856310 6552661712620 13105323425240