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545668315242 = 231491151530293
BaseRepresentation
bin1111111000011000101…
…11011011100001101010
31221011110120012111110120
413330030113123201222
532420012042041432
61054402045424110
754265112102511
oct7741427334152
91834416174416
10545668315242
111a04645a1696
128990726b036
133c5c165650b
141c5a653d678
15e2da085c2c
hex7f0c5db86a

545668315242 has 32 divisors (see below), whose sum is σ = 1099617638400. Its totient is φ = 180511396800.

The previous prime is 545668315219. The next prime is 545668315243. The reversal of 545668315242 is 242513866545.

It is not an unprimeable number, because it can be changed into a prime (545668315243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763848 + ... + 1294140.

It is an arithmetic number, because the mean of its divisors is an integer number (34363051200).

Almost surely, 2545668315242 is an apocalyptic number.

545668315242 is an abundant number, since it is smaller than the sum of its proper divisors (553949323158).

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

545668315242 is a wasteful number, since it uses less digits than its factorization.

545668315242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531598.

The product of its digits is 6912000, while the sum is 51.

The spelling of 545668315242 in words is "five hundred forty-five billion, six hundred sixty-eight million, three hundred fifteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 149 298 447 894 1151 2302 3453 6906 171499 342998 514497 530293 1028994 1060586 1590879 3181758 79013657 158027314 237040971 474081942 610367243 1220734486 1831101729 3662203458 90944719207 181889438414 272834157621 545668315242