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18704012755137 = 313717745449827
BaseRepresentation
bin1000100000010110111100…
…00010010100000011000001
32110020002022210211010122020
410100023132002110003001
54422421304231131022
6103440301013432053
73640214605136613
oct420133602240301
973202283733566
1018704012755137
115a61366651206
122120b6803b629
13a58a1c655928
144893c99c6db3
152268033a535c
hex1102de0940c1

18704012755137 has 8 divisors (see below), whose sum is σ = 24938866021536. Its totient is φ = 12469250662752.

The previous prime is 18704012755133. The next prime is 18704012755151. The reversal of 18704012755137 is 73155721040781.

It is a happy number.

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

It is not a de Polignac number, because 18704012755137 - 22 = 18704012755133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18704012755137.

It is not an unprimeable number, because it can be changed into a prime (18704012755133) 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, 22313383 + ... + 23136444.

It is an arithmetic number, because the mean of its divisors is an integer number (3117358252692).

Almost surely, 218704012755137 is an apocalyptic number.

It is an amenable number.

18704012755137 is a deficient number, since it is larger than the sum of its proper divisors (6234853266399).

18704012755137 is a wasteful number, since it uses less digits than its factorization.

18704012755137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45587007.

The product of its (nonzero) digits is 1646400, while the sum is 51.

The spelling of 18704012755137 in words is "eighteen trillion, seven hundred four billion, twelve million, seven hundred fifty-five thousand, one hundred thirty-seven".

Divisors: 1 3 137177 411531 45449827 136349481 6234670918379 18704012755137