Base | Representation |
---|---|
bin | 1110011110101… |
… | …10001010000111 |
3 | 22110112222111121 |
4 | 13033112022013 |
5 | 222043312211 |
6 | 20015214411 |
7 | 3003264535 |
oct | 717261207 |
9 | 273488447 |
10 | 121463431 |
11 | 62621301 |
12 | 34817407 |
13 | 1c21a06b |
14 | 121bb155 |
15 | a9e4271 |
hex | 73d6287 |
121463431 has 8 divisors (see below), whose sum is σ = 122428800. Its totient is φ = 120502008.
The previous prime is 121463413. The next prime is 121463479. The reversal of 121463431 is 134364121.
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 121463431 - 29 = 121462919 is a prime.
It is a super-2 number, since 2×1214634312 = 29506730140583522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121463396 and 121463405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121463401) 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, 92280 + ... + 93586.
It is an arithmetic number, because the mean of its divisors is an integer number (15303600).
Almost surely, 2121463431 is an apocalyptic number.
121463431 is a deficient number, since it is larger than the sum of its proper divisors (965369).
121463431 is a wasteful number, since it uses less digits than its factorization.
121463431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1973.
The product of its digits is 1728, while the sum is 25.
The square root of 121463431 is about 11021.0449141631. The cubic root of 121463431 is about 495.2393917400.
The spelling of 121463431 in words is "one hundred twenty-one million, four hundred sixty-three thousand, four hundred thirty-one".
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