Base | Representation |
---|---|
bin | 111000110100100000… |
… | …1001011001110111100 |
3 | 102122221212001001110220 |
4 | 1301221001023032330 |
5 | 3444344334000444 |
6 | 132020005301340 |
7 | 11546536250022 |
oct | 1615101131674 |
9 | 378855031426 |
10 | 122021000124 |
11 | 47826745461 |
12 | 1b794704850 |
13 | b677b0512a |
14 | 5c9790a712 |
15 | 3292615619 |
hex | 1c6904b3bc |
122021000124 has 24 divisors (see below), whose sum is σ = 290773448448. Its totient is φ = 39808269360.
The previous prime is 122021000117. The next prime is 122021000131. The reversal of 122021000124 is 421000120221.
It is an interprime number because it is at equal distance from previous prime (122021000117) and next prime (122021000131).
It is a super-2 number, since 2×1220210001242 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108174082 + ... + 108175209.
It is an arithmetic number, because the mean of its divisors is an integer number (12115560352).
Almost surely, 2122021000124 is an apocalyptic number.
It is an amenable number.
122021000124 is an abundant number, since it is smaller than the sum of its proper divisors (168752448324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122021000124 is a wasteful number, since it uses less digits than its factorization.
122021000124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216349345 (or 216349343 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 122021000124 its reverse (421000120221), we get a palindrome (543021120345).
The spelling of 122021000124 in words is "one hundred twenty-two billion, twenty-one million, one hundred twenty-four", and thus it is an aban number.
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