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12638250700 = 2252126382507
BaseRepresentation
bin10111100010100110…
…00110011011001100
31012121210002122201021
423301103012123030
5201340343010300
65450025323524
7625121233645
oct136123063314
935553078637
1012638250700
1153a5a65899
1225486365a4
13126546396a
1487c6c06cc
154de7e6d1a
hex2f14c66cc

12638250700 has 18 divisors (see below), whose sum is σ = 27425004236. Its totient is φ = 5055300240.

The previous prime is 12638250673. The next prime is 12638250727. The reversal of 12638250700 is 705283621.

It is a happy number.

12638250700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12638250673) and next prime (12638250727).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63191154 + ... + 63191353.

Almost surely, 212638250700 is an apocalyptic number.

12638250700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12638250700 is an abundant number, since it is smaller than the sum of its proper divisors (14786753536).

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

12638250700 is a wasteful number, since it uses less digits than its factorization.

12638250700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126382521 (or 126382514 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 12638250700 in words is "twelve billion, six hundred thirty-eight million, two hundred fifty thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 126382507 252765014 505530028 631912535 1263825070 2527650140 3159562675 6319125350 12638250700