Base | Representation |
---|---|
bin | 110001111110… |
… | …001111110110 |
3 | 220122112212000 |
4 | 301332033312 |
5 | 11323200042 |
6 | 1144440130 |
7 | 216230325 |
oct | 61761766 |
9 | 26575760 |
10 | 13100022 |
11 | 7438271 |
12 | 4479046 |
13 | 29388c0 |
14 | 1a500bc |
15 | 123b74c |
hex | c7e3f6 |
13100022 has 32 divisors (see below), whose sum is σ = 31352160. Its totient is φ = 4030560.
The previous prime is 13099991. The next prime is 13100023. The reversal of 13100022 is 22000131.
It is a happy number.
It is a super-2 number, since 2×131000222 = 343221152800968, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 13099977 and 13100013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13100023) 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, 8629 + ... + 10032.
It is an arithmetic number, because the mean of its divisors is an integer number (979755).
Almost surely, 213100022 is an apocalyptic number.
13100022 is an abundant number, since it is smaller than the sum of its proper divisors (18252138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13100022 is a wasteful number, since it uses less digits than its factorization.
13100022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18685 (or 18679 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 13100022 is about 3619.3952533538. The cubic root of 13100022 is about 235.7349677248.
Adding to 13100022 its reverse (22000131), we get a palindrome (35100153).
The spelling of 13100022 in words is "thirteen million, one hundred thousand, twenty-two".
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