Base | Representation |
---|---|
bin | 11011100000110100110110… |
… | …000001111101000101100111 |
3 | 120212102202221112002001120001 |
4 | 123200310312001331011213 |
5 | 111330003141122042411 |
6 | 1105204004154522131 |
7 | 34326115432363135 |
oct | 3340646601750547 |
9 | 525382845061501 |
10 | 121003020112231 |
11 | 35612102347124 |
12 | 116a3242736347 |
13 | 52696c72cc26a |
14 | 21c4812636755 |
15 | dec8760d4dc1 |
hex | 6e0d3607d167 |
121003020112231 has 32 divisors (see below), whose sum is σ = 123403280000000. Its totient is φ = 118627655552640.
The previous prime is 121003020112223. The next prime is 121003020112241. The reversal of 121003020112231 is 132211020300121.
It is a cyclic number.
It is not a de Polignac number, because 121003020112231 - 23 = 121003020112223 is a prime.
It is a super-2 number, since 2×1210030201122312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121003020112199 and 121003020112208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121003020112241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15716715220 + ... + 15716722918.
It is an arithmetic number, because the mean of its divisors is an integer number (3856352500000).
Almost surely, 2121003020112231 is an apocalyptic number.
121003020112231 is a deficient number, since it is larger than the sum of its proper divisors (2400259887769).
121003020112231 is a wasteful number, since it uses less digits than its factorization.
121003020112231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10247.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 121003020112231 its reverse (132211020300121), we get a palindrome (253214040412352).
The spelling of 121003020112231 in words is "one hundred twenty-one trillion, three billion, twenty million, one hundred twelve thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •