Base | Representation |
---|---|
bin | 111110100101110… |
… | …1111110010011100 |
3 | 12102100221210202100 |
4 | 1331023233302130 |
5 | 13300124400244 |
6 | 544223125100 |
7 | 103021446252 |
oct | 17513576234 |
9 | 5370853670 |
10 | 2100231324 |
11 | 988586974 |
12 | 4a7443790 |
13 | 27616c239 |
14 | 15cd0a5d2 |
15 | c45b0b69 |
hex | 7d2efc9c |
2100231324 has 18 divisors (see below), whose sum is σ = 5308918160. Its totient is φ = 700077096.
The previous prime is 2100231317. The next prime is 2100231377. The reversal of 2100231324 is 4231320012.
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×21002313242 = 8821943228621585952, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2100231297 and 2100231306.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29169844 + ... + 29169915.
Almost surely, 22100231324 is an apocalyptic number.
It is an amenable number.
2100231324 is an abundant number, since it is smaller than the sum of its proper divisors (3208686836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2100231324 is a wasteful number, since it uses less digits than its factorization.
2100231324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58339769 (or 58339764 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2100231324 is about 45828.2808318182. The cubic root of 2100231324 is about 1280.6261836888.
Adding to 2100231324 its reverse (4231320012), we get a palindrome (6331551336).
It can be divided in two parts, 21002 and 31324, that added together give a triangular number (52326 = T323).
The spelling of 2100231324 in words is "two billion, one hundred million, two hundred thirty-one thousand, three hundred twenty-four".
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