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1445943320180 = 22572297166009
BaseRepresentation
bin10101000010101000111…
…100000001111001110100
312010020020021110021112222
4111002220330001321310
5142142242442221210
63024131315301512
7206315552300642
oct25025074017164
95106207407488
101445943320180
11508248343797
121b42975aa898
13a647609b528
144ddac270192
152792b7d5655
hex150a8f01e74

1445943320180 has 12 divisors (see below), whose sum is σ = 3036480972420. Its totient is φ = 578377328064.

The previous prime is 1445943320177. The next prime is 1445943320203. The reversal of 1445943320180 is 810233495441.

It can be written as a sum of positive squares in 2 ways, for example, as 983817999376 + 462125320804 = 991876^2 + 679798^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36148582985 + ... + 36148583024.

It is an arithmetic number, because the mean of its divisors is an integer number (253040081035).

Almost surely, 21445943320180 is an apocalyptic number.

1445943320180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445943320180 is an abundant number, since it is smaller than the sum of its proper divisors (1590537652240).

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

1445943320180 is a wasteful number, since it uses less digits than its factorization.

1445943320180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72297166018 (or 72297166016 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 1445943320180 in words is "one trillion, four hundred forty-five billion, nine hundred forty-three million, three hundred twenty thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 72297166009 144594332018 289188664036 361485830045 722971660090 1445943320180