Search a number
-
+
15421313214 = 2321787479429
BaseRepresentation
bin11100101110010111…
…01001000010111110
31110210201220212202200
432113023221002332
5223040324010324
611030124132330
71054103666556
oct162713510276
943721825680
1015421313214
1165a3a2495a
122ba46970a6
1315b9c10708
14a64176166
15603cd7ec9
hex3972e90be

15421313214 has 24 divisors (see below), whose sum is σ = 33431612760. Its totient is φ = 5137550448.

The previous prime is 15421313189. The next prime is 15421313221. The reversal of 15421313214 is 41231312451.

15421313214 is a `hidden beast` number, since 15 + 421 + 3 + 13 + 214 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 207549 + ... + 271880.

It is an arithmetic number, because the mean of its divisors is an integer number (1392983865).

Almost surely, 215421313214 is an apocalyptic number.

15421313214 is an abundant number, since it is smaller than the sum of its proper divisors (18010299546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15421313214 is a wasteful number, since it uses less digits than its factorization.

15421313214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481224 (or 481221 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 15421313214 its reverse (41231312451), we get a palindrome (56652625665).

The spelling of 15421313214 in words is "fifteen billion, four hundred twenty-one million, three hundred thirteen thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 1787 3574 5361 10722 16083 32166 479429 958858 1438287 2876574 4314861 8629722 856739623 1713479246 2570218869 5140437738 7710656607 15421313214