Base | Representation |
---|---|
bin | 111000110100100000… |
… | …1111100100010111100 |
3 | 102122221212102022112210 |
4 | 1301221001330202330 |
5 | 3444344411431413 |
6 | 132020013500420 |
7 | 11546541050631 |
oct | 1615101744274 |
9 | 378855368483 |
10 | 122021202108 |
11 | 47826873193 |
12 | 1b7947a1710 |
13 | b677b76050 |
14 | 5c97960188 |
15 | 32926553c3 |
hex | 1c6907c8bc |
122021202108 has 48 divisors (see below), whose sum is σ = 322755144320. Its totient is φ = 35568932544.
The previous prime is 122021202103. The next prime is 122021202131. The reversal of 122021202108 is 801202120221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122021202101) 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, 20580910 + ... + 20586837.
Almost surely, 2122021202108 is an apocalyptic number.
It is an amenable number.
122021202108 is an abundant number, since it is smaller than the sum of its proper divisors (200733942212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122021202108 is a wasteful number, since it uses less digits than its factorization.
122021202108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41167786 (or 41167784 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 122021202108 its reverse (801202120221), we get a palindrome (923223322329).
The spelling of 122021202108 in words is "one hundred twenty-two billion, twenty-one million, two hundred two thousand, one hundred eight".
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