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18140910741 = 341032174387
BaseRepresentation
bin10000111001010010…
…000101010010010101
31201211021022202020000
4100321102011102111
5244123033120431
612200034401513
71211356124412
oct207122052225
951737282200
1018140910741
11776a086818
123623430299
131931499315
14c4142b109
1571293e9e6
hex439485495

18140910741 has 20 divisors (see below), whose sum is σ = 27362498592. Its totient is φ = 11976518088.

The previous prime is 18140910721. The next prime is 18140910769. The reversal of 18140910741 is 14701904181.

It is a happy number.

18140910741 is a `hidden beast` number, since 181 + 409 + 1 + 0 + 74 + 1 = 666.

It is not a de Polignac number, because 18140910741 - 214 = 18140894357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18140910696 and 18140910705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18140910721) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1078851 + ... + 1095536.

Almost surely, 218140910741 is an apocalyptic number.

It is an amenable number.

18140910741 is a deficient number, since it is larger than the sum of its proper divisors (9221587851).

18140910741 is a wasteful number, since it uses less digits than its factorization.

18140910741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174502 (or 2174493 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 18140910741 in words is "eighteen billion, one hundred forty million, nine hundred ten thousand, seven hundred forty-one".

Divisors: 1 3 9 27 81 103 309 927 2781 8343 2174387 6523161 19569483 58708449 176125347 223961861 671885583 2015656749 6046970247 18140910741