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12445941530 = 2511325734739
BaseRepresentation
bin10111001011101010…
…11111111100011010
31012010101020100010102
423211311133330122
5200442130112110
65414555415402
7620264520551
oct134565377432
935111210112
1012445941530
1153074560a0
1224b4154562
131234670159
14860d40d98
154cc9ab5a5
hex2e5d5ff1a

12445941530 has 32 divisors (see below), whose sum is σ = 24447510720. Its totient is φ = 4524277120.

The previous prime is 12445941517. The next prime is 12445941533. The reversal of 12445941530 is 3514954421.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12445941533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340901 + ... + 375639.

It is an arithmetic number, because the mean of its divisors is an integer number (763984710).

Almost surely, 212445941530 is an apocalyptic number.

12445941530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12445941530 is a deficient number, since it is larger than the sum of its proper divisors (12001569190).

12445941530 is a wasteful number, since it uses less digits than its factorization.

12445941530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38014.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 12445941530 in words is "twelve billion, four hundred forty-five million, nine hundred forty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 3257 6514 16285 32570 34739 35827 69478 71654 173695 179135 347390 358270 382129 764258 1910645 3821290 113144923 226289846 565724615 1131449230 1244594153 2489188306 6222970765 12445941530