Base | Representation |
---|---|
bin | 11000000110001100… |
… | …11001101110011100 |
3 | 1020101121002012200110 |
4 | 30003012121232130 |
5 | 202443322134042 |
6 | 5535414530020 |
7 | 635405635641 |
oct | 140306315634 |
9 | 36347065613 |
10 | 12936911772 |
11 | 5539605324 |
12 | 2610666910 |
13 | 12b22b31a5 |
14 | 8aa225dc8 |
15 | 50ab3e09c |
hex | 303199b9c |
12936911772 has 24 divisors (see below), whose sum is σ = 30188624256. Its totient is φ = 4311947248.
The previous prime is 12936911747. The next prime is 12936911773. The reversal of 12936911772 is 27711963921.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12936911773) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135703 + ... + 210449.
It is an arithmetic number, because the mean of its divisors is an integer number (1257859344).
Almost surely, 212936911772 is an apocalyptic number.
12936911772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12936911772 is an abundant number, since it is smaller than the sum of its proper divisors (17251712484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12936911772 is a wasteful number, since it uses less digits than its factorization.
12936911772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89177 (or 89175 counting only the distinct ones).
The product of its digits is 285768, while the sum is 48.
It can be divided in two parts, 129369 and 11772, that added together give a palindrome (141141).
The spelling of 12936911772 in words is "twelve billion, nine hundred thirty-six million, nine hundred eleven thousand, seven hundred seventy-two".
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