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15021421112 = 238713215503
BaseRepresentation
bin11011111110101100…
…01011001000111000
31102202212110020221002
431333112023020320
5221230440433422
610522321104132
71041146654435
oct157726131070
942685406832
1015021421112
116409223015
122ab2788048
131555109279
14a26ddcb8c
155cdb46692
hex37f58b238

15021421112 has 16 divisors (see below), whose sum is σ = 28168527840. Its totient is φ = 7509813696.

The previous prime is 15021421097. The next prime is 15021421123. The reversal of 15021421112 is 21112412051.

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 3 ways as a sum of consecutive naturals, for example, 38048 + ... + 177455.

It is an arithmetic number, because the mean of its divisors is an integer number (1760532990).

Almost surely, 215021421112 is an apocalyptic number.

It is an amenable number.

15021421112 is a deficient number, since it is larger than the sum of its proper divisors (13147106728).

15021421112 is a wasteful number, since it uses less digits than its factorization.

15021421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224222 (or 224218 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 15021421112 its reverse (21112412051), we get a palindrome (36133833163).

The spelling of 15021421112 in words is "fifteen billion, twenty-one million, four hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 8713 17426 34852 69704 215503 431006 862012 1724024 1877677639 3755355278 7510710556 15021421112