Base | Representation |
---|---|
bin | 111000010111000011… |
… | …0010110001101010001 |
3 | 102120101222000001022000 |
4 | 1300232012112031101 |
5 | 3440333310000144 |
6 | 131333534304213 |
7 | 11513204163426 |
oct | 1605606261521 |
9 | 376358001260 |
10 | 121032500049 |
11 | 4736976674a |
12 | 1b559658069 |
13 | b54b093446 |
14 | 5c02513d4d |
15 | 3235956769 |
hex | 1c2e196351 |
121032500049 has 8 divisors (see below), whose sum is σ = 179307407520. Its totient is φ = 80688333348.
The previous prime is 121032500041. The next prime is 121032500117. The reversal of 121032500049 is 940005230121.
121032500049 is a `hidden beast` number, since 12 + 103 + 2 + 500 + 0 + 49 = 666.
It is not a de Polignac number, because 121032500049 - 23 = 121032500041 is a prime.
It is a super-2 number, since 2×1210325000492 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4482685187 = 121032500049 / (1 + 2 + 1 + 0 + 3 + 2 + 5 + 0 + 0 + 0 + 4 + 9).
It is a junction number, because it is equal to n+sod(n) for n = 121032499995 and 121032500031.
It is not an unprimeable number, because it can be changed into a prime (121032500041) 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 7 ways as a sum of consecutive naturals, for example, 2241342567 + ... + 2241342620.
It is an arithmetic number, because the mean of its divisors is an integer number (22413425940).
Almost surely, 2121032500049 is an apocalyptic number.
It is an amenable number.
121032500049 is a deficient number, since it is larger than the sum of its proper divisors (58274907471).
121032500049 is an equidigital number, since it uses as much as digits as its factorization.
121032500049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4482685196 (or 4482685190 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
It can be divided in two parts, 12103 and 2500049, that added together give a palindrome (2512152).
The spelling of 121032500049 in words is "one hundred twenty-one billion, thirty-two million, five hundred thousand, forty-nine".
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