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12536326020 = 2235208938767
BaseRepresentation
bin10111010110011100…
…10010011110000100
31012100200022100100010
423223032102132010
5201133244413040
65431544550220
7622443004311
oct135316223604
935320270303
1012536326020
11535347a319
12251a482370
13124a2c80ba
1486cd4bd08
154d58b1e80
hex2eb392784

12536326020 has 24 divisors (see below), whose sum is σ = 35101713024. Its totient is φ = 3343020256.

The previous prime is 12536326013. The next prime is 12536326021. The reversal of 12536326020 is 2062363521.

12536326020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12536326021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 104469324 + ... + 104469443.

It is an arithmetic number, because the mean of its divisors is an integer number (1462571376).

Almost surely, 212536326020 is an apocalyptic number.

12536326020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12536326020 is an abundant number, since it is smaller than the sum of its proper divisors (22565387004).

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

12536326020 is a wasteful number, since it uses less digits than its factorization.

12536326020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208938779 (or 208938777 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 12536326020 its reverse (2062363521), we get a palindrome (14598689541).

The spelling of 12536326020 in words is "twelve billion, five hundred thirty-six million, three hundred twenty-six thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 208938767 417877534 626816301 835755068 1044693835 1253632602 2089387670 2507265204 3134081505 4178775340 6268163010 12536326020