Base | Representation |
---|---|
bin | 1000000001000101… |
… | …0100000000001111 |
3 | 12112222102001020200 |
4 | 2000101110000033 |
5 | 13401404201111 |
6 | 553313144543 |
7 | 104220612465 |
oct | 20021240017 |
9 | 5488361220 |
10 | 2152022031 |
11 | a04840005 |
12 | 50085b153 |
13 | 283b03723 |
14 | 165b4c835 |
15 | c8de1256 |
hex | 8045400f |
2152022031 has 12 divisors (see below), whose sum is σ = 3109488408. Its totient is φ = 1434214224.
The previous prime is 2152022011. The next prime is 2152022057. The reversal of 2152022031 is 1302202512.
It is not a de Polignac number, because 2152022031 - 213 = 2152013839 is a prime.
It is a super-2 number, since 2×21520220312 = 9262397643818729922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2152021995 and 2152022013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2152022011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8500 + ... + 66153.
It is an arithmetic number, because the mean of its divisors is an integer number (259124034).
Almost surely, 22152022031 is an apocalyptic number.
2152022031 is a deficient number, since it is larger than the sum of its proper divisors (957466377).
2152022031 is a wasteful number, since it uses less digits than its factorization.
2152022031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77862 (or 77859 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 2152022031 is about 46389.8914743288. The cubic root of 2152022031 is about 1291.0673679051.
Adding to 2152022031 its reverse (1302202512), we get a palindrome (3454224543).
The spelling of 2152022031 in words is "two billion, one hundred fifty-two million, twenty-two thousand, thirty-one".
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