Base | Representation |
---|---|
bin | 111000011111010011… |
… | …0011000010000000101 |
3 | 102121010020220121000012 |
4 | 1300332212120100011 |
5 | 3441420142114420 |
6 | 131421224000005 |
7 | 11523105212165 |
oct | 1607646302005 |
9 | 377106817005 |
10 | 121309332485 |
11 | 474a0a56a90 |
12 | 1b616300005 |
13 | b59353c113 |
14 | 5c2b1b65a5 |
15 | 324eddadc5 |
hex | 1c3e998405 |
121309332485 has 16 divisors (see below), whose sum is σ = 158813989632. Its totient is φ = 88219944000.
The previous prime is 121309332467. The next prime is 121309332491. The reversal of 121309332485 is 584233903121.
It is not a de Polignac number, because 121309332485 - 222 = 121305138181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108292 + ... + 1212818.
It is an arithmetic number, because the mean of its divisors is an integer number (9925874352).
Almost surely, 2121309332485 is an apocalyptic number.
It is an amenable number.
121309332485 is a deficient number, since it is larger than the sum of its proper divisors (37504657147).
121309332485 is a wasteful number, since it uses less digits than its factorization.
121309332485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125644.
The product of its (nonzero) digits is 155520, while the sum is 41.
The spelling of 121309332485 in words is "one hundred twenty-one billion, three hundred nine million, three hundred thirty-two thousand, four hundred eighty-five".
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