Base | Representation |
---|---|
bin | 11011110010011011111011… |
… | …000010010000001001010100 |
3 | 121000201110122210221121010010 |
4 | 123302123323002100021110 |
5 | 112004320124021041040 |
6 | 1111531550224000220 |
7 | 34512420205221630 |
oct | 3362337302201124 |
9 | 530643583847103 |
10 | 122213211112020 |
11 | 35a39371643196 |
12 | 118598a5160070 |
13 | 532686c029c52 |
14 | 2227218401dc0 |
15 | e1e0a580ae80 |
hex | 6f26fb090254 |
122213211112020 has 96 divisors (see below), whose sum is σ = 391083798018816. Its totient is φ = 27934339507200.
The previous prime is 122213211111977. The next prime is 122213211112049. The reversal of 122213211112020 is 20211112312221.
It is a super-2 number, since 2×1222132111120202 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164993290 + ... + 165732350.
It is an arithmetic number, because the mean of its divisors is an integer number (4073789562696).
Almost surely, 2122213211112020 is an apocalyptic number.
122213211112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122213211112020 is an abundant number, since it is smaller than the sum of its proper divisors (268870586906796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122213211112020 is a wasteful number, since it uses less digits than its factorization.
122213211112020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1132801 (or 1132799 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 21.
Adding to 122213211112020 its reverse (20211112312221), we get a palindrome (142424323424241).
The spelling of 122213211112020 in words is "one hundred twenty-two trillion, two hundred thirteen billion, two hundred eleven million, one hundred twelve thousand, twenty".
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