Base | Representation |
---|---|
bin | 10010101001011011… |
… | …10001111111111101 |
3 | 221211200212202211111 |
4 | 21110231301333331 |
5 | 131000333101023 |
6 | 4333223122021 |
7 | 503041661122 |
oct | 112455617775 |
9 | 27750782744 |
10 | 10011222013 |
11 | 427808a301 |
12 | 1b348a3311 |
13 | c37119310 |
14 | 6ad844749 |
15 | 3d8d7800d |
hex | 254b71ffd |
10011222013 has 8 divisors (see below), whose sum is σ = 10797835608. Its totient is φ = 9226968384.
The previous prime is 10011221989. The next prime is 10011222043. The reversal of 10011222013 is 31022211001.
It can be written as a sum of positive squares in 4 ways, for example, as 39601849 + 9971620164 = 6293^2 + 99858^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10011222013 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 10011221984 and 10011222002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10011222043) 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, 581170 + ... + 598147.
It is an arithmetic number, because the mean of its divisors is an integer number (1349729451).
Almost surely, 210011222013 is an apocalyptic number.
10011222013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
10011222013 is a deficient number, since it is larger than the sum of its proper divisors (786613595).
10011222013 is a wasteful number, since it uses less digits than its factorization.
10011222013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1179983.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 10011222013 its reverse (31022211001), we get a palindrome (41033433014).
The spelling of 10011222013 in words is "ten billion, eleven million, two hundred twenty-two thousand, thirteen".
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