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12525530200 = 23524311312889
BaseRepresentation
bin10111010101001010…
…00110110001011000
31012022220222212020221
423222211012301120
5201123013431300
65430521325424
7622252151521
oct135245066130
935286885227
1012525530200
115348376257
122516936874
131247cb8241
1486b73b848
154d497d31a
hex2ea946c58

12525530200 has 96 divisors (see below), whose sum is σ = 30065151600. Its totient is φ = 4850012160.

The previous prime is 12525530177. The next prime is 12525530209. The reversal of 12525530200 is 203552521.

It is a happy number.

It is a super-2 number, since 2×125255302002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525530209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 965356 + ... + 978244.

Almost surely, 212525530200 is an apocalyptic number.

12525530200 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 12525530200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15032575800).

12525530200 is an abundant number, since it is smaller than the sum of its proper divisors (17539621400).

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

12525530200 is a wasteful number, since it uses less digits than its factorization.

12525530200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13061 (or 13052 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 12525530200 in words is "twelve billion, five hundred twenty-five million, five hundred thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 43 50 86 100 113 172 200 215 226 344 430 452 565 860 904 1075 1130 1720 2150 2260 2825 4300 4520 4859 5650 8600 9718 11300 12889 19436 22600 24295 25778 38872 48590 51556 64445 97180 103112 121475 128890 194360 242950 257780 322225 485900 515560 554227 644450 971800 1108454 1288900 1456457 2216908 2577800 2771135 2912914 4433816 5542270 5825828 7282285 11084540 11651656 13855675 14564570 22169080 27711350 29129140 36411425 55422700 58258280 62627651 72822850 110845400 125255302 145645700 250510604 291291400 313138255 501021208 626276510 1252553020 1565691275 2505106040 3131382550 6262765100 12525530200