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54643614512542 = 21129611404070469
BaseRepresentation
bin11000110110010101101010…
…01110110111010110011110
321011110212201110002211010121
430123022311032313112132
524130240110303400132
6312114532512025154
714336604464500426
oct1433126516672636
9234425643084117
1054643614512542
1116458254922040
12616636bb321ba
132464b42020083
14d6ca9d445486
1564b61494b497
hex31b2b53b759e

54643614512542 has 32 divisors (see below), whose sum is σ = 94016558671200. Its totient is φ = 23588383862400.

The previous prime is 54643614512537. The next prime is 54643614512569. The reversal of 54643614512542 is 24521541634645.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 54643614512542.

It is a congruent 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, 701996317 + ... + 702074152.

It is an arithmetic number, because the mean of its divisors is an integer number (2938017458475).

Almost surely, 254643614512542 is an apocalyptic number.

54643614512542 is a deficient number, since it is larger than the sum of its proper divisors (39372944158658).

54643614512542 is a wasteful number, since it uses less digits than its factorization.

54643614512542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404070572.

The product of its digits is 13824000, while the sum is 52.

The spelling of 54643614512542 in words is "fifty-four trillion, six hundred forty-three billion, six hundred fourteen million, five hundred twelve thousand, five hundred forty-two".

Divisors: 1 2 11 22 29 58 61 122 319 638 671 1342 1769 3538 19459 38918 1404070469 2808140938 15444775159 30889550318 40718043601 81436087202 85648298609 171296597218 447898479611 895796959222 942131284699 1884262569398 2483800659661 4967601319322 27321807256271 54643614512542