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745513168712 = 231339097183349
BaseRepresentation
bin10101101100101000000…
…11000010111101001000
32122021022002112220221012
422312110003002331020
544203302332344322
61330252314303052
7104601340243334
oct12662403027510
92567262486835
10745513168712
11268196825a14
1210059aa27a88
13553bc7940c0
1428123b967c4
15145d4ab0ae2
hexad940c2f48

745513168712 has 32 divisors (see below), whose sum is σ = 1505409843000. Its totient is φ = 344072323584.

The previous prime is 745513168703. The next prime is 745513168723. The reversal of 745513168712 is 217861315547.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 472730502916 + 272782665796 = 687554^2 + 522286^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3974414 + ... + 4157762.

Almost surely, 2745513168712 is an apocalyptic number.

It is an amenable number.

745513168712 is an abundant number, since it is smaller than the sum of its proper divisors (759896674288).

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

745513168712 is a wasteful number, since it uses less digits than its factorization.

745513168712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222465 (or 222461 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 50.

The spelling of 745513168712 in words is "seven hundred forty-five billion, five hundred thirteen million, one hundred sixty-eight thousand, seven hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 39097 78194 156388 183349 312776 366698 508261 733396 1016522 1466792 2033044 2383537 4066088 4767074 9534148 19068296 7168395853 14336791706 28673583412 57347166824 93189146089 186378292178 372756584356 745513168712