Search a number
-
+
158119069 = 1259125591
BaseRepresentation
bin10010110110010…
…11010010011101
3102000112021120211
421123023102131
5310434302234
623405012421
73626663353
oct1133132235
9360467524
10158119069
1181288219
1244b54111
13269b25a4
1416ddd7d3
15dd35164
hex96cb49d

158119069 has 4 divisors (see below), whose sum is σ = 158245920. Its totient is φ = 157992220.

The previous prime is 158119063. The next prime is 158119097. The reversal of 158119069 is 960911851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 960911851 = 4720444933.

It is a cyclic number.

It is not a de Polignac number, because 158119069 - 23 = 158119061 is a prime.

It is a super-2 number, since 2×1581190692 = 50003279962853522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158119061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61537 + ... + 64054.

It is an arithmetic number, because the mean of its divisors is an integer number (39561480).

Almost surely, 2158119069 is an apocalyptic number.

It is an amenable number.

158119069 is a deficient number, since it is larger than the sum of its proper divisors (126851).

158119069 is a wasteful number, since it uses less digits than its factorization.

158119069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126850.

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 158119069 is about 12574.5405085037. The cubic root of 158119069 is about 540.7477854427.

The spelling of 158119069 in words is "one hundred fifty-eight million, one hundred nineteen thousand, sixty-nine".

Divisors: 1 1259 125591 158119069