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42878331813716 = 22761117124738669
BaseRepresentation
bin10011011111111011000111…
…01111000111111101010100
312121211010110200001000212222
421233331203233013331110
521110004310421014331
6231110011140201512
712013600014554420
oct1157754357077524
9177733420030788
1042878331813716
1112731664522683
124986136699298
131ac0542422419
14a834726a5b80
154e556ccdcb7b
hex26ff63bc7f54

42878331813716 has 96 divisors (see below), whose sum is σ = 87282287742720. Its totient is φ = 18050354150400.

The previous prime is 42878331813703. The next prime is 42878331813719. The reversal of 42878331813716 is 61731813387824.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878331813719) 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, 4946163830 + ... + 4946172498.

It is an arithmetic number, because the mean of its divisors is an integer number (909190497320).

Almost surely, 242878331813716 is an apocalyptic number.

It is an amenable number.

42878331813716 is an abundant number, since it is smaller than the sum of its proper divisors (44403955929004).

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

42878331813716 is a wasteful number, since it uses less digits than its factorization.

42878331813716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12385 (or 12383 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 62.

The spelling of 42878331813716 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred thirty-one million, eight hundred thirteen thousand, seven hundred sixteen".

Divisors: 1 2 4 7 14 28 61 122 244 427 854 1171 1708 2342 2473 4684 4946 8197 8669 9892 16394 17311 17338 32788 34622 34676 60683 69244 71431 121366 142862 150853 242732 285724 301706 500017 528809 603412 1000034 1055971 1057618 2000068 2111942 2115236 2895883 3701663 4223884 5791766 7403326 10151399 11583532 14806652 20271181 20302798 21438437 40542362 40605596 42876874 71059793 81084724 85753748 142119586 150069059 176648863 284239172 300138118 353297726 600276236 619235339 706595452 1236542041 1238470678 1307744657 2473084082 2476941356 2615489314 4334647373 4946168164 5230978628 8669294746 9154212599 17338589492 18308425198 25104409727 36616850396 50208819454 100417638908 175730868089 351461736178 702923472356 1531368993347 3062737986694 6125475973388 10719582953429 21439165906858 42878331813716