Search a number
-
+
12513875138750 = 25425139884861
BaseRepresentation
bin1011011000011001110100…
…0101010001100010111110
31122022022111110210220011202
42312012131011101202332
53120011404013420000
642340443405415502
72431045330431416
oct266063505214276
948268443726152
1012513875138750
113a95117309417
1214a133356a592
136ca09030ca1b
14313963895646
1516a7abc20dd5
hexb619d1518be

12513875138750 has 40 divisors (see below), whose sum is σ = 23549458379832. Its totient is φ = 4985607500000.

The previous prime is 12513875138747. The next prime is 12513875138761. The reversal of 12513875138750 is 5783157831521.

It is a happy number.

12513875138750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19628681 + ... + 20256180.

Almost surely, 212513875138750 is an apocalyptic number.

12513875138750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12513875138750 is a deficient number, since it is larger than the sum of its proper divisors (11035583241082).

12513875138750 is an equidigital number, since it uses as much as digits as its factorization.

12513875138750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39885134 (or 39885119 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 56.

The spelling of 12513875138750 in words is "twelve trillion, five hundred thirteen billion, eight hundred seventy-five million, one hundred thirty-eight thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 251 502 625 1250 1255 2510 6275 12550 31375 62750 156875 313750 39884861 79769722 199424305 398848610 997121525 1994243050 4985607625 9971215250 10011100111 20022200222 24928038125 49856076250 50055500555 100111001110 250277502775 500555005550 1251387513875 2502775027750 6256937569375 12513875138750