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55701161490 = 23513236209717
BaseRepresentation
bin110011111000000011…
…000100011000010010
312022202220120011221010
4303320003010120102
51403033444131430
641331101111350
74011220026552
oct637003043022
9168686504833
1055701161490
1121693943067
12a966258556
135338c56570
1429a598d162
1516b014ccb0
hexcf80c4612

55701161490 has 64 divisors (see below), whose sum is σ = 150225497856. Its totient is φ = 13114920192.

The previous prime is 55701161437. The next prime is 55701161557. The reversal of 55701161490 is 9416110755.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3095889 + ... + 3113828.

It is an arithmetic number, because the mean of its divisors is an integer number (2347273404).

Almost surely, 255701161490 is an apocalyptic number.

55701161490 is an abundant number, since it is smaller than the sum of its proper divisors (94524336366).

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

55701161490 is a wasteful number, since it uses less digits than its factorization.

55701161490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6209763.

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 55701161490 in words is "fifty-five billion, seven hundred one million, one hundred sixty-one thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 23 26 30 39 46 65 69 78 115 130 138 195 230 299 345 390 598 690 897 1495 1794 2990 4485 8970 6209717 12419434 18629151 31048585 37258302 62097170 80726321 93145755 142823491 161452642 186291510 242178963 285646982 403631605 428470473 484357926 714117455 807263210 856940946 1210894815 1428234910 1856705383 2142352365 2421789630 3713410766 4284704730 5570116149 9283526915 11140232298 18567053830 27850580745 55701161490