Base | Representation |
---|---|
bin | 10010101010100111… |
… | …01010111000011011 |
3 | 221212101120101102010 |
4 | 21111103222320123 |
5 | 131010403414311 |
6 | 4334220041003 |
7 | 503222256246 |
oct | 112523527033 |
9 | 27771511363 |
10 | 10021154331 |
11 | 4282753631 |
12 | 1b38093163 |
13 | c391b6126 |
14 | 6b0cac25d |
15 | 3d9b8ada6 |
hex | 2554eae1b |
10021154331 has 8 divisors (see below), whose sum is σ = 13401188944. Its totient is φ = 6660944640.
The previous prime is 10021154327. The next prime is 10021154347. The reversal of 10021154331 is 13345112001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10021154331 - 22 = 10021154327 is a prime.
It is a super-2 number, since 2×100211543312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10021154298 and 10021154307.
It is not an unprimeable number, because it can be changed into a prime (10021154321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4955050 + ... + 4957071.
It is an arithmetic number, because the mean of its divisors is an integer number (1675148618).
Almost surely, 210021154331 is an apocalyptic number.
10021154331 is a deficient number, since it is larger than the sum of its proper divisors (3380034613).
10021154331 is an equidigital number, since it uses as much as digits as its factorization.
10021154331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9912461.
The product of its (nonzero) digits is 360, while the sum is 21.
Adding to 10021154331 its reverse (13345112001), we get a palindrome (23366266332).
The spelling of 10021154331 in words is "ten billion, twenty-one million, one hundred fifty-four thousand, three hundred thirty-one".
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