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15000500340 = 22325722417057
BaseRepresentation
bin11011111100001100…
…10111100001110100
31102201102002101000200
431332012113201310
5221210112002330
610520252440500
71040504102100
oct157606274164
942642071020
1015000500340
1163a8433a21
122aa7779130
131550992a07
14a24314900
155cbdb2a60
hex37e197874

15000500340 has 216 divisors, whose sum is σ = 53157496392. Its totient is φ = 3413975040.

The previous prime is 15000500309. The next prime is 15000500353. The reversal of 15000500340 is 4300500051.

It can be written as a sum of positive squares in 4 ways, for example, as 8237740644 + 6762759696 = 90762^2 + 82236^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2122092 + ... + 2129148.

Almost surely, 215000500340 is an apocalyptic number.

15000500340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15000500340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26578748196).

15000500340 is an abundant number, since it is smaller than the sum of its proper divisors (38156996052).

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

15000500340 is a wasteful number, since it uses less digits than its factorization.

15000500340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7327 (or 7315 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The spelling of 15000500340 in words is "fifteen billion, five hundred thousand, three hundred forty".