Base | Representation |
---|---|
bin | 1110100000110… |
… | …11101101111001 |
3 | 22111002110022222 |
4 | 13100123231321 |
5 | 222131421340 |
6 | 20025253425 |
7 | 3005562305 |
oct | 720335571 |
9 | 274073288 |
10 | 121748345 |
11 | 627a6374 |
12 | 34934275 |
13 | 1c2b9954 |
14 | 12252d05 |
15 | aa4d8b5 |
hex | 741bb79 |
121748345 has 8 divisors (see below), whose sum is σ = 147464064. Its totient is φ = 96487984.
The previous prime is 121748317. The next prime is 121748359. The reversal of 121748345 is 543847121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121748345 - 26 = 121748281 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113249 + ... + 114318.
It is an arithmetic number, because the mean of its divisors is an integer number (18433008).
Almost surely, 2121748345 is an apocalyptic number.
It is an amenable number.
121748345 is a deficient number, since it is larger than the sum of its proper divisors (25715719).
121748345 is a wasteful number, since it uses less digits than its factorization.
121748345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227679.
The product of its digits is 26880, while the sum is 35.
The square root of 121748345 is about 11033.9632498935. The cubic root of 121748345 is about 495.6263132821.
The spelling of 121748345 in words is "one hundred twenty-one million, seven hundred forty-eight thousand, three hundred forty-five".
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