Base | Representation |
---|---|
bin | 1110011101110… |
… | …10101101111000 |
3 | 22110100021022200 |
4 | 13032322231320 |
5 | 222031213112 |
6 | 20012550200 |
7 | 3002316045 |
oct | 716725570 |
9 | 273307280 |
10 | 121351032 |
11 | 62554910 |
12 | 34782360 |
13 | 1c1aab5a |
14 | 1218c1cc |
15 | a9c0cdc |
hex | 73bab78 |
121351032 has 96 divisors (see below), whose sum is σ = 379669680. Its totient is φ = 34606080.
The previous prime is 121350991. The next prime is 121351033. The reversal of 121351032 is 230153121.
121351032 is a `hidden beast` number, since 121 + 3 + 510 + 32 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 121350996 and 121351014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121351033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8958 + ... + 17970.
Almost surely, 2121351032 is an apocalyptic number.
121351032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121351032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189834840).
121351032 is an abundant number, since it is smaller than the sum of its proper divisors (258318648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121351032 is a wasteful number, since it uses less digits than its factorization.
121351032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9053 (or 9046 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 121351032 is about 11015.9444443044. The cubic root of 121351032 is about 495.0865841806.
It can be divided in two parts, 121 and 351032, that added together give a palindrome (351153).
The spelling of 121351032 in words is "one hundred twenty-one million, three hundred fifty-one thousand, thirty-two".
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