Search a number
-
+
15238704193 = 31910354001
BaseRepresentation
bin11100011000100110…
…00010110001000001
31110100000022101021121
432030103002301001
5222202102013233
611000042152241
71046425564006
oct161423026101
943300271247
1015238704193
11650a940009
122b534b2681
13158b13513b
14a47bdd8ad
155e2c6692d
hex38c4c2c41

15238704193 has 8 divisors (see below), whose sum is σ = 15732294656. Its totient is φ = 14745240000.

The previous prime is 15238704191. The next prime is 15238704199. The reversal of 15238704193 is 39140783251.

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

It is a cyclic number.

It is not a de Polignac number, because 15238704193 - 21 = 15238704191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15238704191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255193 + ... + 309193.

It is an arithmetic number, because the mean of its divisors is an integer number (1966536832).

Almost surely, 215238704193 is an apocalyptic number.

It is an amenable number.

15238704193 is a deficient number, since it is larger than the sum of its proper divisors (493590463).

15238704193 is an equidigital number, since it uses as much as digits as its factorization.

15238704193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63135.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 15238704193 in words is "fifteen billion, two hundred thirty-eight million, seven hundred four thousand, one hundred ninety-three".

Divisors: 1 31 9103 54001 282193 1674031 491571103 15238704193