Base | Representation |
---|---|
bin | 111000011111101101… |
… | …0010010101010011001 |
3 | 102121011012111222111021 |
4 | 1300333122102222121 |
5 | 3441432133103311 |
6 | 131422431402441 |
7 | 11523331661326 |
oct | 1607732225231 |
9 | 377135458437 |
10 | 121322941081 |
11 | 474a8701361 |
12 | 1b61a983421 |
13 | b5962c5344 |
14 | 5c2cd19b4d |
15 | 32511c8171 |
hex | 1c3f692a99 |
121322941081 has 32 divisors (see below), whose sum is σ = 131738721408. Its totient is φ = 111315456000.
The previous prime is 121322941009. The next prime is 121322941087. The reversal of 121322941081 is 180149223121.
It is not a de Polignac number, because 121322941081 - 27 = 121322940953 is a prime.
It is a super-2 number, since 2×1213229410812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121322941087) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42672846 + ... + 42675688.
It is an arithmetic number, because the mean of its divisors is an integer number (4116835044).
Almost surely, 2121322941081 is an apocalyptic number.
It is an amenable number.
121322941081 is a deficient number, since it is larger than the sum of its proper divisors (10415780327).
121322941081 is a wasteful number, since it uses less digits than its factorization.
121322941081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3321.
The product of its (nonzero) digits is 6912, while the sum is 34.
The spelling of 121322941081 in words is "one hundred twenty-one billion, three hundred twenty-two million, nine hundred forty-one thousand, eighty-one".
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