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12988335360 = 28357111331109
BaseRepresentation
bin11000001100010101…
…00100010100000000
31020112011211210120210
430012022210110000
5203100003212420
65544453034120
7636602012640
oct140612442400
936464753523
1012988335360
115565638660
122625925940
1312bcb49550
148b2db0520
155103ea9e0
hex3062a4500

12988335360 has 1152 divisors, whose sum is σ = 58019512320. Its totient is φ = 2388787200.

The previous prime is 12988335319. The next prime is 12988335389. The reversal of 12988335360 is 6353388921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 119158986 + ... + 119159094.

It is an arithmetic number, because the mean of its divisors is an integer number (50364160).

Almost surely, 212988335360 is an apocalyptic number.

12988335360 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 12988335360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29009756160).

12988335360 is an abundant number, since it is smaller than the sum of its proper divisors (45031176960).

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

12988335360 is a wasteful number, since it uses less digits than its factorization.

12988335360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 12988335360 in words is "twelve billion, nine hundred eighty-eight million, three hundred thirty-five thousand, three hundred sixty".