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15200502042 = 2311230310637
BaseRepresentation
bin11100010100000010…
…10100000100011010
31110020100102111210010
432022001110010122
5222112312031132
610552155302350
71045453064325
oct161201240432
943210374703
1015200502042
1164a0318190
122b4274a9b6
13158324aa0b
14a42ad77bc
155de71c6cc
hex38a05411a

15200502042 has 16 divisors (see below), whose sum is σ = 33164731872. Its totient is φ = 4606212720.

The previous prime is 15200502041. The next prime is 15200502049. The reversal of 15200502042 is 24020500251.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15200502041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115155253 + ... + 115155384.

It is an arithmetic number, because the mean of its divisors is an integer number (2072795742).

Almost surely, 215200502042 is an apocalyptic number.

15200502042 is an abundant number, since it is smaller than the sum of its proper divisors (17964229830).

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

15200502042 is a wasteful number, since it uses less digits than its factorization.

15200502042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230310653.

The product of its (nonzero) digits is 800, while the sum is 21.

The spelling of 15200502042 in words is "fifteen billion, two hundred million, five hundred two thousand, forty-two".

Divisors: 1 2 3 6 11 22 33 66 230310637 460621274 690931911 1381863822 2533417007 5066834014 7600251021 15200502042