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45117887070 = 2354136681209
BaseRepresentation
bin101010000001001111…
…000101001001011110
311022110100021010201110
4222001033011021132
51214400134341240
632421000522450
73155030466234
oct520117051136
9138410233643
1045117887070
1118152964383
1288b1a80426
1343404783c9
142280198954
151290e77c80
hexa813c525e

45117887070 has 32 divisors (see below), whose sum is σ = 110923979040. Its totient is φ = 11737986560.

The previous prime is 45117886993. The next prime is 45117887071. The reversal of 45117887070 is 7078871154.

It is a super-2 number, since 2×451178870702 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45117887071) 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, 18339375 + ... + 18341834.

It is an arithmetic number, because the mean of its divisors is an integer number (3466374345).

Almost surely, 245117887070 is an apocalyptic number.

45117887070 is an abundant number, since it is smaller than the sum of its proper divisors (65806091970).

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

45117887070 is a wasteful number, since it uses less digits than its factorization.

45117887070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36681260.

The product of its (nonzero) digits is 439040, while the sum is 48.

The spelling of 45117887070 in words is "forty-five billion, one hundred seventeen million, eight hundred eighty-seven thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 36681209 73362418 110043627 183406045 220087254 366812090 550218135 1100436270 1503929569 3007859138 4511788707 7519647845 9023577414 15039295690 22558943535 45117887070