Search a number
-
+
18746809314 = 2337349241963
BaseRepresentation
bin10001011101011001…
…011001101111100010
31210101111102120210220
4101131121121233202
5301343140344224
612340121103510
71232364151512
oct213531315742
953344376726
1018746809314
117a500a3342
123772327b96
1319c9b7b99c
14c9baab842
1574ac25279
hex45d659be2

18746809314 has 32 divisors (see below), whose sum is σ = 38617454400. Its totient is φ = 6062599872.

The previous prime is 18746809283. The next prime is 18746809339. The reversal of 18746809314 is 41390864781.

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 15 ways as a sum of consecutive naturals, for example, 43504 + ... + 198459.

It is an arithmetic number, because the mean of its divisors is an integer number (1206795450).

Almost surely, 218746809314 is an apocalyptic number.

18746809314 is an abundant number, since it is smaller than the sum of its proper divisors (19870645086).

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

18746809314 is a wasteful number, since it uses less digits than its factorization.

18746809314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242354.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 18746809314 in words is "eighteen billion, seven hundred forty-six million, eight hundred nine thousand, three hundred fourteen".

Divisors: 1 2 3 6 37 74 111 222 349 698 1047 2094 12913 25826 38739 77478 241963 483926 725889 1451778 8952631 17905262 26857893 53715786 84445087 168890174 253335261 506670522 3124468219 6248936438 9373404657 18746809314