Search a number
-
+
15140139263 = 37982348539
BaseRepresentation
bin11100001100110110…
…00011000011111111
31110002010211202121122
432012123003003333
5222001333424023
610542201421155
71044121026464
oct160633030377
943063752548
1015140139263
11646a239797
122b2649a7bb
1315738a48b2
14a38aa366b
155d92972c8
hex3866c30ff

15140139263 has 8 divisors (see below), whose sum is σ = 15198844800. Its totient is φ = 15081533208.

The previous prime is 15140139253. The next prime is 15140139271. The reversal of 15140139263 is 36293104151.

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 15140139263 - 24 = 15140139247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15140139233) 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 7 ways as a sum of consecutive naturals, for example, 287648 + ... + 336186.

It is an arithmetic number, because the mean of its divisors is an integer number (1899855600).

Almost surely, 215140139263 is an apocalyptic number.

15140139263 is a deficient number, since it is larger than the sum of its proper divisors (58705537).

15140139263 is an equidigital number, since it uses as much as digits as its factorization.

15140139263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49741.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 15140139263 in words is "fifteen billion, one hundred forty million, one hundred thirty-nine thousand, two hundred sixty-three".

Divisors: 1 379 823 48539 311917 18396281 39947597 15140139263