Base | Representation |
---|---|
bin | 1110100000100… |
… | …00000100101100 |
3 | 22111000000220120 |
4 | 13100100010230 |
5 | 222123410102 |
6 | 20024244540 |
7 | 3005303253 |
oct | 720200454 |
9 | 274000816 |
10 | 121700652 |
11 | 62773557 |
12 | 34910750 |
13 | 1c2a1028 |
14 | 1223d79a |
15 | aa3e6bc |
hex | 741012c |
121700652 has 24 divisors (see below), whose sum is σ = 284207616. Its totient is φ = 40532688.
The previous prime is 121700651. The next prime is 121700653. The reversal of 121700652 is 256007121.
It is an interprime number because it is at equal distance from previous prime (121700651) and next prime (121700653).
It is a super-2 number, since 2×1217006522 = 29622097394450208, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (121700651) 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, 13513 + ... + 20639.
It is an arithmetic number, because the mean of its divisors is an integer number (11841984).
Almost surely, 2121700652 is an apocalyptic number.
121700652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121700652 is an abundant number, since it is smaller than the sum of its proper divisors (162506964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121700652 is a wasteful number, since it uses less digits than its factorization.
121700652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8557 (or 8555 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 121700652 is about 11031.8018473865. The cubic root of 121700652 is about 495.5615868909.
Adding to 121700652 its reverse (256007121), we get a palindrome (377707773).
The spelling of 121700652 in words is "one hundred twenty-one million, seven hundred thousand, six hundred fifty-two".
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