Base | Representation |
---|---|
bin | 11111001101111000100… |
… | …111111111101011000001 |
3 | 21121002011112122122212210 |
4 | 133031320213333223001 |
5 | 240121343340243131 |
6 | 4321255203212333 |
7 | 310662235542231 |
oct | 37157047775301 |
9 | 7532145578783 |
10 | 2145212431041 |
11 | 757863545579 |
12 | 2a790b3770a9 |
13 | 1273a5ca2494 |
14 | 75b86479cc1 |
15 | 3ac06618146 |
hex | 1f3789ffac1 |
2145212431041 has 32 divisors (see below), whose sum is σ = 2934793838592. Its totient is φ = 1393072168320.
The previous prime is 2145212431013. The next prime is 2145212431051. The reversal of 2145212431041 is 1401342125412.
It is not a de Polignac number, because 2145212431041 - 25 = 2145212431009 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2145212431051) 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, 92971536 + ... + 92994606.
It is an arithmetic number, because the mean of its divisors is an integer number (91712307456).
Almost surely, 22145212431041 is an apocalyptic number.
It is an amenable number.
2145212431041 is a deficient number, since it is larger than the sum of its proper divisors (789581407551).
2145212431041 is a wasteful number, since it uses less digits than its factorization.
2145212431041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25053.
The product of its (nonzero) digits is 7680, while the sum is 30.
Adding to 2145212431041 its reverse (1401342125412), we get a palindrome (3546554556453).
The spelling of 2145212431041 in words is "two trillion, one hundred forty-five billion, two hundred twelve million, four hundred thirty-one thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •