Base | Representation |
---|---|
bin | 11011010010100100001000… |
… | …111000111010010001110101 |
3 | 120201222002100221120111011010 |
4 | 123102210020320322101311 |
5 | 111212424111104120341 |
6 | 1103133450521502433 |
7 | 34165243036643100 |
oct | 3322441070722165 |
9 | 521862327514133 |
10 | 120023010223221 |
11 | 35274522306516 |
12 | 1156531b341a19 |
13 | 51c8176658181 |
14 | 218d20505d737 |
15 | dd21197d4716 |
hex | 6d2908e3a475 |
120023010223221 has 24 divisors (see below), whose sum is σ = 186165359899200. Its totient is φ = 68581916683392.
The previous prime is 120023010223199. The next prime is 120023010223243. The reversal of 120023010223221 is 122322010320021.
It is an interprime number because it is at equal distance from previous prime (120023010223199) and next prime (120023010223243).
It is not a de Polignac number, because 120023010223221 - 211 = 120023010221173 is a prime.
It is a super-2 number, since 2×1200230102232212 (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 not an unprimeable number, because it can be changed into a prime (120023010223421) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12031476 + ... + 19616381.
It is an arithmetic number, because the mean of its divisors is an integer number (7756889995800).
Almost surely, 2120023010223221 is an apocalyptic number.
It is an amenable number.
120023010223221 is a deficient number, since it is larger than the sum of its proper divisors (66142349675979).
120023010223221 is a wasteful number, since it uses less digits than its factorization.
120023010223221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31673673 (or 31673666 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 120023010223221 its reverse (122322010320021), we get a palindrome (242345020543242).
The spelling of 120023010223221 in words is "one hundred twenty trillion, twenty-three billion, ten million, two hundred twenty-three thousand, two hundred twenty-one".
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