Base | Representation |
---|---|
bin | 1110011101011… |
… | …10101000011100 |
3 | 22110020202102100 |
4 | 13032232220130 |
5 | 222023122112 |
6 | 20011525100 |
7 | 3002021532 |
oct | 716565034 |
9 | 273222370 |
10 | 121301532 |
11 | 62520700 |
12 | 34759790 |
13 | 1c191471 |
14 | 12178152 |
15 | a9b12dc |
hex | 73aea1c |
121301532 has 54 divisors (see below), whose sum is σ = 337044344. Its totient is φ = 36756720.
The previous prime is 121301459. The next prime is 121301561. The reversal of 121301532 is 235103121.
121301532 is a `hidden beast` number, since 1 + 2 + 130 + 1 + 532 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9568 + ... + 18279.
Almost surely, 2121301532 is an apocalyptic number.
121301532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121301532 is an abundant number, since it is smaller than the sum of its proper divisors (215742812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121301532 is a wasteful number, since it uses less digits than its factorization.
121301532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27879 (or 27863 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 121301532 is about 11013.6974717849. The cubic root of 121301532 is about 495.0192585100.
Adding to 121301532 its reverse (235103121), we get a palindrome (356404653).
The spelling of 121301532 in words is "one hundred twenty-one million, three hundred one thousand, five hundred thirty-two".
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