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18241942106 = 217536527709
BaseRepresentation
bin10000111111010011…
…011111001001011010
31202002022102200012102
4100333103133021122
5244324414121411
612214044043402
71214023643453
oct207723371132
952068380172
1018241942106
117811112113
123651233562
1319493b13ab
14c50a0a12a
1571b749d3b
hex43f4df25a

18241942106 has 8 divisors (see below), whose sum is σ = 28972496340. Its totient is φ = 8584443328.

The previous prime is 18241942051. The next prime is 18241942129. The reversal of 18241942106 is 60124914281.

It can be written as a sum of positive squares in 2 ways, for example, as 18173466481 + 68475625 = 134809^2 + 8275^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 18241942106.

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, 268263821 + ... + 268263888.

Almost surely, 218241942106 is an apocalyptic number.

18241942106 is a deficient number, since it is larger than the sum of its proper divisors (10730554234).

18241942106 is a wasteful number, since it uses less digits than its factorization.

18241942106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536527728.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 18241942106 in words is "eighteen billion, two hundred forty-one million, nine hundred forty-two thousand, one hundred six".

Divisors: 1 2 17 34 536527709 1073055418 9120971053 18241942106