Base | Representation |
---|---|
bin | 11000001110010100… |
… | …01110010000000100 |
3 | 1020120100020120122100 |
4 | 30013022032100010 |
5 | 203113241202322 |
6 | 5550250432100 |
7 | 640163602440 |
oct | 140712162004 |
9 | 36510216570 |
10 | 13005022212 |
11 | 5573aa5746 |
12 | 262b432630 |
13 | 12c343c920 |
14 | 8b52b5820 |
15 | 511ae4dac |
hex | 30728e404 |
13005022212 has 72 divisors (see below), whose sum is σ = 40460079296. Its totient is φ = 3429895104.
The previous prime is 13005022201. The next prime is 13005022223. The reversal of 13005022212 is 21222050031.
13005022212 is a `hidden beast` number, since 130 + 0 + 502 + 22 + 12 = 666.
It is an interprime number because it is at equal distance from previous prime (13005022201) and next prime (13005022223).
It is a super-2 number, since 2×130050222122 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1981618 + ... + 1988169.
Almost surely, 213005022212 is an apocalyptic number.
13005022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13005022212 is an abundant number, since it is smaller than the sum of its proper divisors (27455057084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13005022212 is a wasteful number, since it uses less digits than its factorization.
13005022212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3969817 (or 3969812 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
Adding to 13005022212 its reverse (21222050031), we get a palindrome (34227072243).
The spelling of 13005022212 in words is "thirteen billion, five million, twenty-two thousand, two hundred twelve".
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