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15214371414 = 2311230520779
BaseRepresentation
bin11100010101101100…
…01110001001010110
31110021022112010222120
432022312032021112
5222124334341124
610553412440410
71046012010654
oct161266161126
943238463876
1015214371414
1164a8130480
122b47319106
131586095848
14a448a7dd4
155e0a5bd79
hex38ad8e256

15214371414 has 16 divisors (see below), whose sum is σ = 33194992320. Its totient is φ = 4610415560.

The previous prime is 15214371379. The next prime is 15214371427. The reversal of 15214371414 is 41417341251.

It is a happy number.

15214371414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115260324 + ... + 115260455.

It is an arithmetic number, because the mean of its divisors is an integer number (2074687020).

Almost surely, 215214371414 is an apocalyptic number.

15214371414 is an abundant number, since it is smaller than the sum of its proper divisors (17980620906).

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

15214371414 is a wasteful number, since it uses less digits than its factorization.

15214371414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230520795.

The product of its digits is 13440, while the sum is 33.

The spelling of 15214371414 in words is "fifteen billion, two hundred fourteen million, three hundred seventy-one thousand, four hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 230520779 461041558 691562337 1383124674 2535728569 5071457138 7607185707 15214371414