Base | Representation |
---|---|
bin | 111000010110011101… |
… | …0011010101010011101 |
3 | 102120100120112210012012 |
4 | 1300230322122222131 |
5 | 3440313211022412 |
6 | 131331543521005 |
7 | 11512543042313 |
oct | 1605472325235 |
9 | 376316483165 |
10 | 121012595357 |
11 | 47359500a95 |
12 | 1b552a59165 |
13 | b546c14514 |
14 | 5bdda120b3 |
15 | 3233d23c22 |
hex | 1c2ce9aa9d |
121012595357 has 4 divisors (see below), whose sum is σ = 121328555520. Its totient is φ = 120696635196.
The previous prime is 121012595339. The next prime is 121012595369. The reversal of 121012595357 is 753595210121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 121012595357 - 26 = 121012595293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121012595377) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157979507 + ... + 157980272.
It is an arithmetic number, because the mean of its divisors is an integer number (30332138880).
Almost surely, 2121012595357 is an apocalyptic number.
It is an amenable number.
121012595357 is a deficient number, since it is larger than the sum of its proper divisors (315960163).
121012595357 is an equidigital number, since it uses as much as digits as its factorization.
121012595357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315960162.
The product of its (nonzero) digits is 94500, while the sum is 41.
The spelling of 121012595357 in words is "one hundred twenty-one billion, twelve million, five hundred ninety-five thousand, three hundred fifty-seven".
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