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15130666064 = 24945666629
BaseRepresentation
bin11100001011101101…
…11010010001010000
31110001111000110211102
432011312322101100
5221441422303224
610541222403532
71043644353023
oct160566722120
943044013742
1015130666064
1164649593a8
122b232905a8
131571938a57
14a377191ba
155d85254ae
hex385dba450

15130666064 has 10 divisors (see below), whose sum is σ = 29315665530. Its totient is φ = 7565333024.

The previous prime is 15130666049. The next prime is 15130666069. The reversal of 15130666064 is 46066603151.

It can be written as a sum of positive squares in only one way, i.e., 13457856064 + 1672810000 = 116008^2 + 40900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15130666069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472833299 + ... + 472833330.

It is an arithmetic number, because the mean of its divisors is an integer number (2931566553).

Almost surely, 215130666064 is an apocalyptic number.

It is an amenable number.

15130666064 is a deficient number, since it is larger than the sum of its proper divisors (14184999466).

15130666064 is an equidigital number, since it uses as much as digits as its factorization.

15130666064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945666637 (or 945666631 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 15130666064 in words is "fifteen billion, one hundred thirty million, six hundred sixty-six thousand, sixty-four".

Divisors: 1 2 4 8 16 945666629 1891333258 3782666516 7565333032 15130666064