Base | Representation |
---|---|
bin | 1110011100001… |
… | …00110010100111 |
3 | 22102221001022220 |
4 | 13032010302213 |
5 | 222002131101 |
6 | 20004123423 |
7 | 3000406062 |
oct | 716046247 |
9 | 272831286 |
10 | 121130151 |
11 | 6241396a |
12 | 34696573 |
13 | 1c13145c |
14 | 121318d9 |
15 | a97a636 |
hex | 7384ca7 |
121130151 has 16 divisors (see below), whose sum is σ = 171777024. Its totient is φ = 75661184.
The previous prime is 121130137. The next prime is 121130153. The reversal of 121130151 is 151031121.
It is a cyclic number.
It is not a de Polignac number, because 121130151 - 29 = 121129639 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 121130151.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121130153) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6346 + ... + 16808.
It is an arithmetic number, because the mean of its divisors is an integer number (10736064).
Almost surely, 2121130151 is an apocalyptic number.
121130151 is a deficient number, since it is larger than the sum of its proper divisors (50646873).
121130151 is a wasteful number, since it uses less digits than its factorization.
121130151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10710.
The product of its (nonzero) digits is 30, while the sum is 15.
The square root of 121130151 is about 11005.9143645587. The cubic root of 121130151 is about 494.7860191340.
Adding to 121130151 its reverse (151031121), we get a palindrome (272161272).
The spelling of 121130151 in words is "one hundred twenty-one million, one hundred thirty thousand, one hundred fifty-one".
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