Base | Representation |
---|---|
bin | 11000101000010011… |
… | …11101111111111100 |
3 | 1021010112112000111200 |
4 | 30110021331333330 |
5 | 204040100400302 |
6 | 10024040015500 |
7 | 645452102511 |
oct | 142411757774 |
9 | 37115460450 |
10 | 13223059452 |
11 | 5676088309 |
12 | 2690461590 |
13 | 1329670b45 |
14 | 8d6231308 |
15 | 525d1381c |
hex | 31427dffc |
13223059452 has 36 divisors (see below), whose sum is σ = 33430387536. Its totient is φ = 4406970240.
The previous prime is 13223059441. The next prime is 13223059469. The reversal of 13223059452 is 25495032231.
13223059452 is a `hidden beast` number, since 1 + 32 + 2 + 30 + 594 + 5 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×132230594522 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224452 + ... + 277172.
It is an arithmetic number, because the mean of its divisors is an integer number (928621876).
Almost surely, 213223059452 is an apocalyptic number.
13223059452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13223059452 is an abundant number, since it is smaller than the sum of its proper divisors (20207328084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13223059452 is a wasteful number, since it uses less digits than its factorization.
13223059452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59698 (or 59693 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 36.
The spelling of 13223059452 in words is "thirteen billion, two hundred twenty-three million, fifty-nine thousand, four hundred fifty-two".
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