Base | Representation |
---|---|
bin | 101111100111000111… |
… | …1100000101000000101 |
3 | 100202220120220200211010 |
4 | 1133032033200220011 |
5 | 3133344032420401 |
6 | 114545340432433 |
7 | 10246466142225 |
oct | 1371617405005 |
9 | 322816820733 |
10 | 102244420101 |
11 | 3a3a834514a |
12 | 17995548719 |
13 | 98457c4785 |
14 | 4d3d182085 |
15 | 29d62cced6 |
hex | 17ce3e0a05 |
102244420101 has 32 divisors (see below), whose sum is σ = 147259399680. Its totient is φ = 62870872064.
The previous prime is 102244420097. The next prime is 102244420121. The reversal of 102244420101 is 101024442201.
It is not a de Polignac number, because 102244420101 - 22 = 102244420097 is a prime.
It is a super-4 number, since 4×1022444201014 (a number of 45 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102244420121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413236 + ... + 612578.
It is an arithmetic number, because the mean of its divisors is an integer number (4601856240).
Almost surely, 2102244420101 is an apocalyptic number.
It is an amenable number.
102244420101 is a deficient number, since it is larger than the sum of its proper divisors (45014979579).
102244420101 is a wasteful number, since it uses less digits than its factorization.
102244420101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 199565.
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 102244420101 its reverse (101024442201), we get a palindrome (203268862302).
The spelling of 102244420101 in words is "one hundred two billion, two hundred forty-four million, four hundred twenty thousand, one hundred one".
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