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444302313020 = 22522215115651
BaseRepresentation
bin1100111011100100111…
…10110100011000111100
31120110211012012001102222
412131302132310120330
524234412343004040
6540035404304512
744046140230316
oct6356236643074
91513735161388
10444302313020
11161478088935
1272137b42138
1332b88b3cb47
141770bcda7b6
15b855e6ebb5
hex67727b463c

444302313020 has 12 divisors (see below), whose sum is σ = 933034857384. Its totient is φ = 177720925200.

The previous prime is 444302313019. The next prime is 444302313023. The reversal of 444302313020 is 20313203444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444302313023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11107557806 + ... + 11107557845.

It is an arithmetic number, because the mean of its divisors is an integer number (77752904782).

Almost surely, 2444302313020 is an apocalyptic number.

It is an amenable number.

444302313020 is an abundant number, since it is smaller than the sum of its proper divisors (488732544364).

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

444302313020 is a wasteful number, since it uses less digits than its factorization.

444302313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22215115660 (or 22215115658 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 444302313020 its reverse (20313203444), we get a palindrome (464615516464).

The spelling of 444302313020 in words is "four hundred forty-four billion, three hundred two million, three hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 22215115651 44430231302 88860462604 111075578255 222151156510 444302313020