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12344482878 = 237313461407
BaseRepresentation
bin10110111111100100…
…11101110000111110
31011212022022201000120
423133302131300332
5200240141423003
65400533035410
7614623242000
oct133762356076
934768281016
1012344482878
115265158772
122486185b66
131219638750
14851690370
154c3b19853
hex2dfc9dc3e

12344482878 has 64 divisors (see below), whose sum is σ = 31006617600. Its totient is φ = 3255680736.

The previous prime is 12344482841. The next prime is 12344482879. The reversal of 12344482878 is 87828444321.

It is a self number, because there is not a number n which added to its sum of digits gives 12344482878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344482879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203950 + ... + 257457.

It is an arithmetic number, because the mean of its divisors is an integer number (484478400).

Almost surely, 212344482878 is an apocalyptic number.

12344482878 is an abundant number, since it is smaller than the sum of its proper divisors (18662134722).

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

12344482878 is a wasteful number, since it uses less digits than its factorization.

12344482878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461446 (or 461432 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 51.

The spelling of 12344482878 in words is "twelve billion, three hundred forty-four million, four hundred eighty-two thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 147 182 273 294 343 546 637 686 1029 1274 1911 2058 3822 4459 8918 13377 26754 461407 922814 1384221 2768442 3229849 5998291 6459698 9689547 11996582 17994873 19379094 22608943 35989746 41988037 45217886 67826829 83976074 125964111 135653658 158262601 251928222 293916259 316525202 474787803 587832518 881748777 949575606 1763497554 2057413813 4114827626 6172241439 12344482878