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12400240208090 = 257367348229319
BaseRepresentation
bin1011010001110010011111…
…1010011010100011011010
31121220110012001122022100012
42310130213322122203122
53111131142443124330
642212331450441522
72416613340443450
oct264344772324332
947813161568305
1012400240208090
113a50a04362089
1214832bb4332a2
136bc450a22697
1430c263a2c9d0
1516785a966c95
hexb4727e9a8da

12400240208090 has 32 divisors (see below), whose sum is σ = 25516011121920. Its totient is φ = 4250353336704.

The previous prime is 12400240208023. The next prime is 12400240208123. The reversal of 12400240208090 is 9080204200421.

It is a happy 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, 23857550 + ... + 24371769.

It is an arithmetic number, because the mean of its divisors is an integer number (797375347560).

Almost surely, 212400240208090 is an apocalyptic number.

12400240208090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12400240208090 is an abundant number, since it is smaller than the sum of its proper divisors (13115770913830).

12400240208090 is a wasteful number, since it uses less digits than its factorization.

12400240208090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48233006.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 12400240208090 in words is "twelve trillion, four hundred billion, two hundred forty million, two hundred eight thousand, ninety".

Divisors: 1 2 5 7 10 14 35 70 3673 7346 18365 25711 36730 51422 128555 257110 48229319 96458638 241146595 337605233 482293190 675210466 1688026165 3376052330 177146288687 354292577374 885731443435 1240024020809 1771462886870 2480048041618 6200120104045 12400240208090