Base | Representation |
---|---|
bin | 110111111011110110… |
… | …1110100100010011011 |
3 | 102111001101011101010100 |
4 | 1233313231310202123 |
5 | 3432001221213034 |
6 | 131103222350443 |
7 | 11451455004102 |
oct | 1576755644233 |
9 | 374041141110 |
10 | 120120101019 |
11 | 46a40735866 |
12 | 1b343b8b423 |
13 | b434048269 |
14 | 5b5728b039 |
15 | 31d07cb099 |
hex | 1bf7b7489b |
120120101019 has 12 divisors (see below), whose sum is σ = 175191346096. Its totient is φ = 79302590352.
The previous prime is 120120100979. The next prime is 120120101041. The reversal of 120120101019 is 910101021021.
It is a happy number.
It is not a de Polignac number, because 120120101019 - 211 = 120120098971 is a prime.
It is a super-2 number, since 2×1201201010192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120120100992 and 120120101010.
It is not an unprimeable number, because it can be changed into a prime (120120101099) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64788772 + ... + 64790625.
Almost surely, 2120120101019 is an apocalyptic number.
120120101019 is a deficient number, since it is larger than the sum of its proper divisors (55071245077).
120120101019 is a wasteful number, since it uses less digits than its factorization.
120120101019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129579506 (or 129579503 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 18.
The spelling of 120120101019 in words is "one hundred twenty billion, one hundred twenty million, one hundred one thousand, nineteen".
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