Search a number
-
+
15140115401 = 192343805711
BaseRepresentation
bin11100001100110101…
…11101001111001001
31110002010210112212212
432012122331033021
5222001332143101
610542201114505
71044120600065
oct160632751711
943063715785
1015140115401
11646a222874
122b26488a35
131573896a88
14a38a98aa5
155d92901bb
hex3866bd3c9

15140115401 has 16 divisors (see below), whose sum is σ = 17016637440. Its totient is φ = 13400568720.

The previous prime is 15140115379. The next prime is 15140115421. The reversal of 15140115401 is 10451104151.

It is a cyclic number.

It is not a de Polignac number, because 15140115401 - 26 = 15140115337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15140115421) 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 15 ways as a sum of consecutive naturals, for example, 384065 + ... + 421646.

It is an arithmetic number, because the mean of its divisors is an integer number (1063539840).

Almost surely, 215140115401 is an apocalyptic number.

It is an amenable number.

15140115401 is a deficient number, since it is larger than the sum of its proper divisors (1876522039).

15140115401 is a wasteful number, since it uses less digits than its factorization.

15140115401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805796.

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 15140115401 its reverse (10451104151), we get a palindrome (25591219552).

The spelling of 15140115401 in words is "fifteen billion, one hundred forty million, one hundred fifteen thousand, four hundred one".

Divisors: 1 19 23 43 437 817 989 18791 805711 15308509 18531353 34645573 352095707 658265887 796848179 15140115401