Base | Representation |
---|---|
bin | 101111100000011111… |
… | …1011101101101000101 |
3 | 100202100002121011201110 |
4 | 1133000333131231011 |
5 | 3132420130010041 |
6 | 114511315515233 |
7 | 10241126424666 |
oct | 1370077355505 |
9 | 322302534643 |
10 | 102022110021 |
11 | 3a2a3904307 |
12 | 17932bb8b19 |
13 | 980b728750 |
14 | 4d1b83336d |
15 | 29c1a18516 |
hex | 17c0fddb45 |
102022110021 has 16 divisors (see below), whose sum is σ = 146511570240. Its totient is φ = 62775000960.
The previous prime is 102022110011. The next prime is 102022110053. The reversal of 102022110021 is 120011220201.
It is not a de Polignac number, because 102022110021 - 214 = 102022093637 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102022109979 and 102022110006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102022110011) 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, 161401 + ... + 479681.
It is an arithmetic number, because the mean of its divisors is an integer number (9156973140).
Almost surely, 2102022110021 is an apocalyptic number.
It is an amenable number.
102022110021 is a deficient number, since it is larger than the sum of its proper divisors (44489460219).
102022110021 is a wasteful number, since it uses less digits than its factorization.
102022110021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 326516.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 102022110021 its reverse (120011220201), we get a palindrome (222033330222).
The spelling of 102022110021 in words is "one hundred two billion, twenty-two million, one hundred ten thousand, twenty-one".
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