Base | Representation |
---|---|
bin | 101111001000010101… |
… | …0001010100000100111 |
3 | 100200020120202200201222 |
4 | 1132100222022200213 |
5 | 3124240033020012 |
6 | 114255031410555 |
7 | 10212052114112 |
oct | 1362052124047 |
9 | 320216680658 |
10 | 101211220007 |
11 | 39a18105677 |
12 | 17747523a5b |
13 | 970c731b81 |
14 | 4c81c71579 |
15 | 297573e972 |
hex | 1790a8a827 |
101211220007 has 2 divisors, whose sum is σ = 101211220008. Its totient is φ = 101211220006.
The previous prime is 101211220003. The next prime is 101211220039. The reversal of 101211220007 is 700022112101.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 101211220007 - 22 = 101211220003 is a prime.
It is a super-2 number, since 2×1012112200072 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (101211220003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605610003 + 50605610004.
It is an arithmetic number, because the mean of its divisors is an integer number (50605610004).
Almost surely, 2101211220007 is an apocalyptic number.
101211220007 is a deficient number, since it is larger than the sum of its proper divisors (1).
101211220007 is an equidigital number, since it uses as much as digits as its factorization.
101211220007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 56, while the sum is 17.
Adding to 101211220007 its reverse (700022112101), we get a palindrome (801233332108).
The spelling of 101211220007 in words is "one hundred one billion, two hundred eleven million, two hundred twenty thousand, seven".
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