Search a number
-
+
16118635155065 = 55383732831787
BaseRepresentation
bin1110101010001110100110…
…0001011100111001111001
32010001221000101202002221122
43222203221201130321321
54103041431044430230
654140444311115025
73252350543134232
oct352435141347171
963057011662848
1016118635155065
115154969373373
121983a96372a75
138cbc999b2411
143da208ca4089
151ce439132be5
hexea8e985ce79

16118635155065 has 16 divisors (see below), whose sum is σ = 19944749942208. Its totient is φ = 12499178942016.

The previous prime is 16118635155043. The next prime is 16118635155067. The reversal of 16118635155065 is 56055153681161.

It is a cyclic number.

It is not a de Polignac number, because 16118635155065 - 232 = 16114340187769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16118635154998 and 16118635155016.

It is not an unprimeable number, because it can be changed into a prime (16118635155067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366393899 + ... + 366437888.

It is an arithmetic number, because the mean of its divisors is an integer number (1246546871388).

Almost surely, 216118635155065 is an apocalyptic number.

It is an amenable number.

16118635155065 is a deficient number, since it is larger than the sum of its proper divisors (3826114787143).

16118635155065 is an equidigital number, since it uses as much as digits as its factorization.

16118635155065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732831928.

The product of its (nonzero) digits is 3240000, while the sum is 53.

The spelling of 16118635155065 in words is "sixteen trillion, one hundred eighteen billion, six hundred thirty-five million, one hundred fifty-five thousand, sixty-five".

Divisors: 1 5 53 83 265 415 4399 21995 732831787 3664158935 38840084711 60825038321 194200423555 304125191605 3223727031013 16118635155065