Search a number
-
+
158015256154 = 273230342939
BaseRepresentation
bin1001001100101001110…
…0010111011001011010
3120002212100120201021121
42103022130113121122
510042103401144104
6200331411155454
714262523342000
oct2231234273132
9502770521247
10158015256154
1161017546798
122675aba5b8a
1311b93004692
1479100aaa70
15419c5e0254
hex24ca71765a

158015256154 has 16 divisors (see below), whose sum is σ = 276411528000. Its totient is φ = 67720823772.

The previous prime is 158015256149. The next prime is 158015256181. The reversal of 158015256154 is 451652510851.

158015256154 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 158015256154.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115170784 + ... + 115172155.

It is an arithmetic number, because the mean of its divisors is an integer number (17275720500).

Almost surely, 2158015256154 is an apocalyptic number.

158015256154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

158015256154 is a deficient number, since it is larger than the sum of its proper divisors (118396271846).

158015256154 is an equidigital number, since it uses as much as digits as its factorization.

158015256154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230342962 (or 230342948 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 43.

The spelling of 158015256154 in words is "one hundred fifty-eight billion, fifteen million, two hundred fifty-six thousand, one hundred fifty-four".

Divisors: 1 2 7 14 49 98 343 686 230342939 460685878 1612400573 3224801146 11286804011 22573608022 79007628077 158015256154