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20314867290 = 235677162243
BaseRepresentation
bin10010111010110111…
…000100011001011010
31221102210000011222020
4102322313010121122
5313101101223130
613155454035310
71316264344224
oct227267043132
957383004866
1020314867290
118685238523
123b2b4a8b36
131bb99ac843
14daa049414
157dd714e10
hex4badc465a

20314867290 has 16 divisors (see below), whose sum is σ = 48755681568. Its totient is φ = 5417297936.

The previous prime is 20314867273. The next prime is 20314867291. The reversal of 20314867290 is 9276841302.

It is not an unprimeable number, because it can be changed into a prime (20314867291) 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, 338581092 + ... + 338581151.

It is an arithmetic number, because the mean of its divisors is an integer number (3047230098).

Almost surely, 220314867290 is an apocalyptic number.

20314867290 is an abundant number, since it is smaller than the sum of its proper divisors (28440814278).

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

20314867290 is a wasteful number, since it uses less digits than its factorization.

20314867290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677162253.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 20314867290 in words is "twenty billion, three hundred fourteen million, eight hundred sixty-seven thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 677162243 1354324486 2031486729 3385811215 4062973458 6771622430 10157433645 20314867290