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12400874484 = 22371131137811
BaseRepresentation
bin10111000110010011…
…00101001111110100
31012000020102200202120
423203021211033310
5200344110440414
65410305435540
7616206460005
oct134311451764
935006380676
1012400874484
115293a745a9
1224a103bbb0
13122822116b
14858d6d1ac
154c8a582a9
hex2e32653f4

12400874484 has 96 divisors (see below), whose sum is σ = 29819446272. Its totient is φ = 4009824000.

The previous prime is 12400874449. The next prime is 12400874491. The reversal of 12400874484 is 48447800421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15290439 + ... + 15291249.

It is an arithmetic number, because the mean of its divisors is an integer number (310619232).

Almost surely, 212400874484 is an apocalyptic number.

It is an amenable number.

12400874484 is an abundant number, since it is smaller than the sum of its proper divisors (17418571788).

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

12400874484 is a wasteful number, since it uses less digits than its factorization.

12400874484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 42.

The spelling of 12400874484 in words is "twelve billion, four hundred million, eight hundred seventy-four thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 71 131 137 142 213 262 274 284 393 411 426 524 548 786 811 822 852 1572 1622 1644 2433 3244 4866 9301 9727 9732 17947 18602 19454 27903 29181 35894 37204 38908 53841 55806 57581 58362 71788 106241 107682 111107 111612 115162 116724 172743 212482 215364 222214 230324 318723 333321 345486 424964 444428 637446 666642 690972 1274237 1274892 1333284 2548474 3822711 5096948 7543111 7645422 7888597 14555017 15086222 15290844 15777194 22629333 23665791 29110034 30172444 31554388 43665051 45258666 47331582 58220068 87330102 90517332 94663164 174660204 1033406207 2066812414 3100218621 4133624828 6200437242 12400874484