Search a number
-
+
16678860155 = 519475963313
BaseRepresentation
bin11111000100010001…
…10011010101111011
31121001101012212212022
433202020303111323
5233124242011110
611355005505055
71130213654306
oct174210632573
947041185768
1016678860155
117089866551
12329587218b
13175a603429
14b431a5b3d
156793de755
hex3e223357b

16678860155 has 32 divisors (see below), whose sum is σ = 21881318400. Its totient is φ = 12161981952.

The previous prime is 16678860151. The next prime is 16678860169. The reversal of 16678860155 is 55106887661.

It is a cyclic number.

It is not a de Polignac number, because 16678860155 - 22 = 16678860151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16678860097 and 16678860106.

It is not an unprimeable number, because it can be changed into a prime (16678860151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231779 + ... + 295091.

It is an arithmetic number, because the mean of its divisors is an integer number (683791200).

Almost surely, 216678860155 is an apocalyptic number.

16678860155 is a deficient number, since it is larger than the sum of its proper divisors (5202458245).

16678860155 is a wasteful number, since it uses less digits than its factorization.

16678860155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63443.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 16678860155 in words is "sixteen billion, six hundred seventy-eight million, eight hundred sixty thousand, one hundred fifty-five".

Divisors: 1 5 19 47 59 95 235 295 893 1121 2773 4465 5605 13865 52687 63313 263435 316565 1202947 2975711 3735467 6014735 14878555 18677335 56538509 70973873 175566949 282692545 354869365 877834745 3335772031 16678860155