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64424002260 = 22352053523007
BaseRepresentation
bin111011111111111110…
…000100001011010100
320011021211010101221210
4323333332010023110
52023420021033020
645332421541420
74440325661322
oct737776041324
9204254111853
1064424002260
112535a740482
121059b574870
1360c91751c7
143192258d12
151a20d2d3e0
hexefff842d4

64424002260 has 48 divisors (see below), whose sum is σ = 180475416576. Its totient is φ = 17171332992.

The previous prime is 64424002243. The next prime is 64424002261. The reversal of 64424002260 is 6220042446.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64424002261) 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, 138324 + ... + 384683.

It is an arithmetic number, because the mean of its divisors is an integer number (3759904512).

Almost surely, 264424002260 is an apocalyptic number.

64424002260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64424002260 is an abundant number, since it is smaller than the sum of its proper divisors (116051414316).

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

64424002260 is a wasteful number, since it uses less digits than its factorization.

64424002260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525072 (or 525070 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 64424002260 in words is "sixty-four billion, four hundred twenty-four million, two thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2053 4106 6159 8212 10265 12318 20530 24636 30795 41060 61590 123180 523007 1046014 1569021 2092028 2615035 3138042 5230070 6276084 7845105 10460140 15690210 31380420 1073733371 2147466742 3221200113 4294933484 5368666855 6442400226 10737333710 12884800452 16106000565 21474667420 32212001130 64424002260