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12814285290 = 235427142843
BaseRepresentation
bin10111110111100101…
…00111100111101010
31020002001100010202220
423323302213213222
5202220424112130
65515314334510
7632356425222
oct137362474752
936061303686
1012814285290
11548636a224
12259758a436
131292a79941
14897c25082
154eeeba410
hex2fbca79ea

12814285290 has 16 divisors (see below), whose sum is σ = 30754284768. Its totient is φ = 3417142736.

The previous prime is 12814285283. The next prime is 12814285307. The reversal of 12814285290 is 9258241821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213571392 + ... + 213571451.

It is an arithmetic number, because the mean of its divisors is an integer number (1922142798).

Almost surely, 212814285290 is an apocalyptic number.

12814285290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12814285290 is an abundant number, since it is smaller than the sum of its proper divisors (17939999478).

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

12814285290 is a wasteful number, since it uses less digits than its factorization.

12814285290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427142853.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 12814285290 in words is "twelve billion, eight hundred fourteen million, two hundred eighty-five thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 427142843 854285686 1281428529 2135714215 2562857058 4271428430 6407142645 12814285290