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15230136320 = 212572331149
BaseRepresentation
bin11100010111100100…
…10111000000000000
31110022102012002100222
432023302113000000
5222142403330240
610555134402212
71046263010540
oct161362270000
943272162328
1015230136320
116506018923
122b50660368
1315894253a9
14a46a0d320
155e2122eb5
hex38bc97000

15230136320 has 416 divisors, whose sum is σ = 45292953600. Its totient is φ = 4801167360.

The previous prime is 15230136319. The next prime is 15230136323. The reversal of 15230136320 is 2363103251.

It is a self number, because there is not a number n which added to its sum of digits gives 15230136320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15230136323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102215606 + ... + 102215754.

Almost surely, 215230136320 is an apocalyptic number.

15230136320 is a gapful number since it is divisible by the number (10) 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 15230136320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22646476800).

15230136320 is an abundant number, since it is smaller than the sum of its proper divisors (30062817280).

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

15230136320 is a wasteful number, since it uses less digits than its factorization.

15230136320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 15230136320 its reverse (2363103251), we get a palindrome (17593239571).

The spelling of 15230136320 in words is "fifteen billion, two hundred thirty million, one hundred thirty-six thousand, three hundred twenty".