Base | Representation |
---|---|
bin | 111000011111011100… |
… | …0010001001010000100 |
3 | 102121010120201211211200 |
4 | 1300332320101022010 |
5 | 3441422342201040 |
6 | 131421512302500 |
7 | 11523163113252 |
oct | 1607670211204 |
9 | 377116654750 |
10 | 121314022020 |
11 | 474a366a334 |
12 | 1b6179a1a30 |
13 | b5944c17a9 |
14 | 5c2ba775d2 |
15 | 3250515630 |
hex | 1c3ee11284 |
121314022020 has 72 divisors (see below), whose sum is σ = 368031640704. Its totient is φ = 32346381888.
The previous prime is 121314022007. The next prime is 121314022033. The reversal of 121314022020 is 20220413121.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (121314022007) and next prime (121314022033).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 121314021984 and 121314022002.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1583847 + ... + 1658673.
Almost surely, 2121314022020 is an apocalyptic number.
121314022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121314022020 is an abundant number, since it is smaller than the sum of its proper divisors (246717618684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121314022020 is a wasteful number, since it uses less digits than its factorization.
121314022020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83849 (or 83844 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 121314022020 its reverse (20220413121), we get a palindrome (141534435141).
The spelling of 121314022020 in words is "one hundred twenty-one billion, three hundred fourteen million, twenty-two thousand, twenty".
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