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15214225137 = 3291669104779
BaseRepresentation
bin11100010101101011…
…01010011011110001
31110021022020201022220
432022311222123301
5222124320201022
610553405351253
71046010531336
oct161265523361
943238221286
1015214225137
1164a8040591
122b47268529
1315860440a7
14a4486a98d
155e0a2d85c
hex38ad6a6f1

15214225137 has 16 divisors (see below), whose sum is σ = 20997912000. Its totient is φ = 9787103424.

The previous prime is 15214225133. The next prime is 15214225151. The reversal of 15214225137 is 73152241251.

It is a happy number.

It is not a de Polignac number, because 15214225137 - 22 = 15214225133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15214225098 and 15214225107.

It is not an unprimeable number, because it can be changed into a prime (15214225133) 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, 92814 + ... + 197592.

It is an arithmetic number, because the mean of its divisors is an integer number (1312369500).

Almost surely, 215214225137 is an apocalyptic number.

It is an amenable number.

15214225137 is a deficient number, since it is larger than the sum of its proper divisors (5783686863).

15214225137 is a wasteful number, since it uses less digits than its factorization.

15214225137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106480.

The product of its digits is 16800, while the sum is 33.

Adding to 15214225137 its reverse (73152241251), we get a palindrome (88366466388).

The spelling of 15214225137 in words is "fifteen billion, two hundred fourteen million, two hundred twenty-five thousand, one hundred thirty-seven".

Divisors: 1 3 29 87 1669 5007 48401 104779 145203 314337 3038591 9115773 174876151 524628453 5071408379 15214225137