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45187487616 = 2731031142483
BaseRepresentation
bin101010000101011000…
…100101011110000000
311022122012020012201110
4222011120211132000
51220020444100431
632431524403320
73156534210255
oct520530453600
9138565205643
1045187487616
1118189182297
128911246540
134351a0716b
14228951542c
151297125346
hexa85625780

45187487616 has 64 divisors (see below), whose sum is σ = 121194702720. Its totient is φ = 14916244992.

The previous prime is 45187487591. The next prime is 45187487627. The reversal of 45187487616 is 61678478154.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531690 + ... + 610793.

It is an arithmetic number, because the mean of its divisors is an integer number (1893667230).

Almost surely, 245187487616 is an apocalyptic number.

It is an amenable number.

45187487616 is an abundant number, since it is smaller than the sum of its proper divisors (76007215104).

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

45187487616 is a wasteful number, since it uses less digits than its factorization.

45187487616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142603 (or 1142591 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 57.

The spelling of 45187487616 in words is "forty-five billion, one hundred eighty-seven million, four hundred eighty-seven thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 103 128 192 206 309 384 412 618 824 1236 1648 2472 3296 4944 6592 9888 13184 19776 39552 1142483 2284966 3427449 4569932 6854898 9139864 13709796 18279728 27419592 36559456 54839184 73118912 109678368 117675749 146237824 219356736 235351498 353027247 438713472 470702996 706054494 941405992 1412108988 1882811984 2824217976 3765623968 5648435952 7531247936 11296871904 15062495872 22593743808 45187487616