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15209196912 = 243271321937127
BaseRepresentation
bin11100010101000100…
…11110110101110000
31110020221210020220100
432022202132311300
5222122023300122
610553105512400
71045620016650
oct161242366560
943227706810
1015209196912
1164a5216828
122b45642700
131584ca3500
14a43d1c360
155e0388aac
hex38a89ed70

15209196912 has 720 divisors, whose sum is σ = 57394421760. Its totient is φ = 3668281344.

The previous prime is 15209196901. The next prime is 15209196923. The reversal of 15209196912 is 21969190251.

15209196912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15209196901) and next prime (15209196923).

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 143 ways as a sum of consecutive naturals, for example, 119757393 + ... + 119757519.

Almost surely, 215209196912 is an apocalyptic number.

15209196912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15209196912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28697210880).

15209196912 is an abundant number, since it is smaller than the sum of its proper divisors (42185224848).

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

15209196912 is a wasteful number, since it uses less digits than its factorization.

15209196912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 15209196912 in words is "fifteen billion, two hundred nine million, one hundred ninety-six thousand, nine hundred twelve".