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64441683130 = 25112325471021
BaseRepresentation
bin111100000001000001…
…100000110010111010
320011100001101200112211
4330001001200302322
52023434032330010
645334252525334
74440632161126
oct740101406272
9204301350484
1064441683130
1125369717370
12105a548084a
1360cca25b66
14319473c586
151a2267208a
hexf01060cba

64441683130 has 32 divisors (see below), whose sum is σ = 132041778048. Its totient is φ = 22414497600.

The previous prime is 64441683071. The next prime is 64441683133. The reversal of 64441683130 is 3138614446.

It is not an unprimeable number, because it can be changed into a prime (64441683133) 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, 12732981 + ... + 12738040.

It is an arithmetic number, because the mean of its divisors is an integer number (4126305564).

Almost surely, 264441683130 is an apocalyptic number.

64441683130 is an abundant number, since it is smaller than the sum of its proper divisors (67600094918).

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

64441683130 is a wasteful number, since it uses less digits than its factorization.

64441683130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25471062.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 64441683130 in words is "sixty-four billion, four hundred forty-one million, six hundred eighty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 25471021 50942042 127355105 254710210 280181231 560362462 585833483 1171666966 1400906155 2801812310 2929167415 5858334830 6444168313 12888336626 32220841565 64441683130