Base | Representation |
---|---|
bin | 111000011101000101… |
… | …1101000011100111101 |
3 | 102120221002102212221111 |
4 | 1300322023220130331 |
5 | 3441242203241333 |
6 | 131410015202021 |
7 | 11521215204562 |
oct | 1607213503475 |
9 | 376832385844 |
10 | 121235212093 |
11 | 47463131266 |
12 | 1b5b5516311 |
13 | b581089cb8 |
14 | 5c21400869 |
15 | 32486494cd |
hex | 1c3a2e873d |
121235212093 has 2 divisors, whose sum is σ = 121235212094. Its totient is φ = 121235212092.
The previous prime is 121235212081. The next prime is 121235212123. The reversal of 121235212093 is 390212532121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 118681628004 + 2553584089 = 344502^2 + 50533^2 .
It is a cyclic number.
It is not a de Polignac number, because 121235212093 - 233 = 112645277501 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121215212093) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60617606046 + 60617606047.
It is an arithmetic number, because the mean of its divisors is an integer number (60617606047).
Almost surely, 2121235212093 is an apocalyptic number.
It is an amenable number.
121235212093 is a deficient number, since it is larger than the sum of its proper divisors (1).
121235212093 is an equidigital number, since it uses as much as digits as its factorization.
121235212093 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6480, while the sum is 31.
The spelling of 121235212093 in words is "one hundred twenty-one billion, two hundred thirty-five million, two hundred twelve thousand, ninety-three".
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