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18103343674 = 213696282449
BaseRepresentation
bin10000110111000010…
…110001101000111010
31201201122122010220011
4100313002301220322
5244033423444144
612152213252134
71210421611423
oct206702615072
951648563804
1018103343674
11774a958059
12361293404a
131926774ca0
14c3a44c64a
1570e4bda34
hex4370b1a3a

18103343674 has 8 divisors (see below), whose sum is σ = 29243862900. Its totient is φ = 8355389376.

The previous prime is 18103343633. The next prime is 18103343689. The reversal of 18103343674 is 47634330181.

It can be written as a sum of positive squares in 2 ways, for example, as 17860451449 + 242892225 = 133643^2 + 15585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348141199 + ... + 348141250.

Almost surely, 218103343674 is an apocalyptic number.

18103343674 is a deficient number, since it is larger than the sum of its proper divisors (11140519226).

18103343674 is a wasteful number, since it uses less digits than its factorization.

18103343674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696282464.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 18103343674 in words is "eighteen billion, one hundred three million, three hundred forty-three thousand, six hundred seventy-four".

Divisors: 1 2 13 26 696282449 1392564898 9051671837 18103343674