Base | Representation |
---|---|
bin | 11011100100001001010001… |
… | …110110000110000111001001 |
3 | 120220020120201012022120122010 |
4 | 123210021101312012013021 |
5 | 111342222313212012301 |
6 | 1105500450243450133 |
7 | 34351442111614104 |
oct | 3344112166060711 |
9 | 526216635276563 |
10 | 121231120032201 |
11 | 3569a913851083 |
12 | 1171b4a0986949 |
13 | 52850791523ca |
14 | 21d189067773b |
15 | e0377645b5d6 |
hex | 6e4251d861c9 |
121231120032201 has 8 divisors (see below), whose sum is σ = 162711966842944. Its totient is φ = 80285509954800.
The previous prime is 121231120032181. The next prime is 121231120032221. The reversal of 121231120032201 is 102230021132121.
It is an interprime number because it is at equal distance from previous prime (121231120032181) and next prime (121231120032221).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121231120032201 - 29 = 121231120031689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121231120032221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133809182806 + ... + 133809183711.
It is an arithmetic number, because the mean of its divisors is an integer number (20338995855368).
Almost surely, 2121231120032201 is an apocalyptic number.
It is an amenable number.
121231120032201 is a deficient number, since it is larger than the sum of its proper divisors (41480846810743).
121231120032201 is a wasteful number, since it uses less digits than its factorization.
121231120032201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267618366671.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 121231120032201 its reverse (102230021132121), we get a palindrome (223461141164322).
The spelling of 121231120032201 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, one hundred twenty million, thirty-two thousand, two hundred one".
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