Base | Representation |
---|---|
bin | 10111110101000010… |
… | …01010001110000000 |
3 | 1020000120011020110200 |
4 | 23322201022032000 |
5 | 202144442244300 |
6 | 5513232525200 |
7 | 632010056340 |
oct | 137241121600 |
9 | 36016136420 |
10 | 12792931200 |
11 | 5475304615 |
12 | 25903b0800 |
13 | 128b51109a |
14 | 895066d20 |
15 | 4ed19d200 |
hex | 2fa84a380 |
12792931200 has 1152 divisors, whose sum is σ = 56824934400. Its totient is φ = 2676326400.
The previous prime is 12792931181. The next prime is 12792931201. The reversal of 12792931200 is 213929721.
It is a tau number, because it is divible by the number of its divisors (1152).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12792931201) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 143740756 + ... + 143740844.
It is an arithmetic number, because the mean of its divisors is an integer number (49327200).
Almost surely, 212792931200 is an apocalyptic number.
12792931200 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 12792931200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28412467200).
12792931200 is an abundant number, since it is smaller than the sum of its proper divisors (44032003200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12792931200 is a wasteful number, since it uses less digits than its factorization.
12792931200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180 (or 160 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The spelling of 12792931200 in words is "twelve billion, seven hundred ninety-two million, nine hundred thirty-one thousand, two hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •