Search a number
-
+
15129005630 = 255572716159
BaseRepresentation
bin11100001011100001…
…00100111000111110
31110001100220010010212
432011300210320332
5221441011140010
610541123032422
71043624266064
oct160560447076
943040803125
1015129005630
116463a24942
122b2280b712
1315714a704b
14a37406034
155d82e8505
hex385c24e3e

15129005630 has 16 divisors (see below), whose sum is σ = 27281111040. Its totient is φ = 6040735392.

The previous prime is 15129005629. The next prime is 15129005659. The reversal of 15129005630 is 3650092151.

15129005630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×151290056302 (a number of 21 digits) contains 22 as substring.

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, 1352510 + ... + 1363649.

It is an arithmetic number, because the mean of its divisors is an integer number (1705069440).

Almost surely, 215129005630 is an apocalyptic number.

15129005630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15129005630 is a deficient number, since it is larger than the sum of its proper divisors (12152105410).

15129005630 is a wasteful number, since it uses less digits than its factorization.

15129005630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716723.

The product of its (nonzero) digits is 8100, while the sum is 32.

Adding to 15129005630 its reverse (3650092151), we get a palindrome (18779097781).

The spelling of 15129005630 in words is "fifteen billion, one hundred twenty-nine million, five thousand, six hundred thirty".

Divisors: 1 2 5 10 557 1114 2785 5570 2716159 5432318 13580795 27161590 1512900563 3025801126 7564502815 15129005630