Base | Representation |
---|---|
bin | 101111000010000110… |
… | …0011100010111001101 |
3 | 100122201000021102001210 |
4 | 1132010030130113031 |
5 | 3123323014232341 |
6 | 114222201325033 |
7 | 10203632463216 |
oct | 1360414342715 |
9 | 318630242053 |
10 | 101002102221 |
11 | 39920065359 |
12 | 176a9496779 |
13 | 96a8304737 |
14 | 4c6219840d |
15 | 29621d3c16 |
hex | 178431c5cd |
101002102221 has 16 divisors (see below), whose sum is σ = 136732401344. Its totient is φ = 66304047744.
The previous prime is 101002102211. The next prime is 101002102249. The reversal of 101002102221 is 122201200101.
It is not a de Polignac number, because 101002102221 - 213 = 101002094029 is a prime.
It is a super-2 number, since 2×1010021022212 (a number of 23 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 = 101002102197 and 101002102206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101002102211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430011 + ... + 622023.
It is an arithmetic number, because the mean of its divisors is an integer number (8545775084).
Almost surely, 2101002102221 is an apocalyptic number.
It is an amenable number.
101002102221 is a deficient number, since it is larger than the sum of its proper divisors (35730299123).
101002102221 is a wasteful number, since it uses less digits than its factorization.
101002102221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194700.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 101002102221 its reverse (122201200101), we get a palindrome (223203302322).
The spelling of 101002102221 in words is "one hundred one billion, two million, one hundred two thousand, two hundred twenty-one".
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