Base | Representation |
---|---|
bin | 10111011111100101… |
… | …00001111101111000 |
3 | 1012120000110111211220 |
4 | 23233302201331320 |
5 | 201312402414134 |
6 | 5443322552040 |
7 | 624363116556 |
oct | 135762417570 |
9 | 35500414756 |
10 | 12612935544 |
11 | 5392745180 |
12 | 2540068620 |
13 | 126013c191 |
14 | 8791b0bd6 |
15 | 4dc496149 |
hex | 2efca1f78 |
12612935544 has 64 divisors (see below), whose sum is σ = 34410579840. Its totient is φ = 3820805760.
The previous prime is 12612935537. The next prime is 12612935549. The reversal of 12612935544 is 44553921621.
It is a super-2 number, since 2×126129355442 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12612935496 and 12612935505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12612935549) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017367 + ... + 1029689.
It is an arithmetic number, because the mean of its divisors is an integer number (537665310).
Almost surely, 212612935544 is an apocalyptic number.
It is an amenable number.
12612935544 is an abundant number, since it is smaller than the sum of its proper divisors (21797644296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12612935544 is a wasteful number, since it uses less digits than its factorization.
12612935544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16220 (or 16216 counting only the distinct ones).
The product of its digits is 259200, while the sum is 42.
The spelling of 12612935544 in words is "twelve billion, six hundred twelve million, nine hundred thirty-five thousand, five hundred forty-four".
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