Search a number
-
+
15386494034 = 265311781389
BaseRepresentation
bin11100101010001101…
…10100010001010010
31110201022101212211102
432111012310101102
5223002420302114
611022441544402
71053202020122
oct162506642122
943638355742
1015386494034
11658630277a
122b94aa5102
1315b293c052
14a5d6b0c82
15600c0b2de
hex3951b4452

15386494034 has 8 divisors (see below), whose sum is σ = 23115087180. Its totient is φ = 7681464976.

The previous prime is 15386494021. The next prime is 15386494037. The reversal of 15386494034 is 43049468351.

It can be written as a sum of positive squares in 2 ways, for example, as 15142040809 + 244453225 = 123053^2 + 15635^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 15386494034.

It is not an unprimeable number, because it can be changed into a prime (15386494037) 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, 5889389 + ... + 5892000.

Almost surely, 215386494034 is an apocalyptic number.

15386494034 is a deficient number, since it is larger than the sum of its proper divisors (7728593146).

15386494034 is a wasteful number, since it uses less digits than its factorization.

15386494034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11782044.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 15386494034 in words is "fifteen billion, three hundred eighty-six million, four hundred ninety-four thousand, thirty-four".

Divisors: 1 2 653 1306 11781389 23562778 7693247017 15386494034