Search a number
-
+
12580800752 = 2413219244877
BaseRepresentation
bin10111011011101111…
…11100100011110000
31012110202222220012102
423231313330203300
5201231141111002
65440214115532
7623523020252
oct135567744360
935422886172
1012580800752
1153765968a3
12253134bba8
13125659a600
14874c07cd2
154d9749a02
hex2eddfc8f0

12580800752 has 60 divisors (see below), whose sum is σ = 27783857880. Its totient is φ = 5500894464.

The previous prime is 12580800731. The next prime is 12580800803. The reversal of 12580800752 is 25700808521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71063 + ... + 173814.

It is an arithmetic number, because the mean of its divisors is an integer number (463064298).

Almost surely, 212580800752 is an apocalyptic number.

It is an amenable number.

12580800752 is an abundant number, since it is smaller than the sum of its proper divisors (15203057128).

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

12580800752 is a wasteful number, since it uses less digits than its factorization.

12580800752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244930 (or 244911 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The spelling of 12580800752 in words is "twelve billion, five hundred eighty million, eight hundred thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 13 16 19 26 38 52 76 104 152 169 208 247 304 338 494 676 988 1352 1976 2704 3211 3952 6422 12844 25688 51376 244877 489754 979508 1959016 3183401 3918032 4652663 6366802 9305326 12733604 18610652 25467208 37221304 41384213 50934416 60484619 74442608 82768426 120969238 165536852 241938476 331073704 483876952 662147408 786300047 967753904 1572600094 3145200188 6290400376 12580800752