Base | Representation |
---|---|
bin | 111000110100100000… |
… | …1111100010001111011 |
3 | 102122221212102021001110 |
4 | 1301221001330101323 |
5 | 3444344411413034 |
6 | 132020013451403 |
7 | 11546541044514 |
oct | 1615101742173 |
9 | 378855367043 |
10 | 122021201019 |
11 | 47826872393 |
12 | 1b7947a0b63 |
13 | b677b756c3 |
14 | 5c9795da0b |
15 | 3292654de9 |
hex | 1c6907c47b |
122021201019 has 8 divisors (see below), whose sum is σ = 172265225040. Its totient is φ = 76562322176.
The previous prime is 122021200999. The next prime is 122021201021. The reversal of 122021201019 is 910102120221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122021201019 - 212 = 122021196923 is a prime.
It is a super-2 number, since 2×1220212010192 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122021200986 and 122021201004.
It is not an unprimeable number, because it can be changed into a prime (122021201039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196286234 + ... + 1196286335.
It is an arithmetic number, because the mean of its divisors is an integer number (21533153130).
Almost surely, 2122021201019 is an apocalyptic number.
122021201019 is a deficient number, since it is larger than the sum of its proper divisors (50244024021).
122021201019 is a wasteful number, since it uses less digits than its factorization.
122021201019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2392572589.
The product of its (nonzero) digits is 144, while the sum is 21.
The spelling of 122021201019 in words is "one hundred twenty-two billion, twenty-one million, two hundred one thousand, nineteen".
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