Base | Representation |
---|---|
bin | 110101010010001001110101… |
… | …0110000011110111011110001 |
3 | 2021110111010112001221011220002 |
4 | 1222210103222300132323301 |
5 | 442412440410121134430 |
6 | 4340452134404555345 |
7 | 200502405213534164 |
oct | 15244235260367361 |
9 | 2243433461834802 |
10 | 468687949786865 |
11 | 12637a496a920a6 |
12 | 44696a460b2b55 |
13 | 1716a1127943a3 |
14 | 83a4891395adb |
15 | 392b9b0d60845 |
hex | 1aa44eac1eef1 |
468687949786865 has 32 divisors (see below), whose sum is σ = 593716705514496. Its totient is φ = 354481773465600.
The previous prime is 468687949786841. The next prime is 468687949786897. The reversal of 468687949786865 is 568687949786864.
It is not a de Polignac number, because 468687949786865 - 26 = 468687949786801 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (101).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28265177 + ... + 41668886.
It is an arithmetic number, because the mean of its divisors is an integer number (18553647047328).
Almost surely, 2468687949786865 is an apocalyptic number.
It is an amenable number.
468687949786865 is a deficient number, since it is larger than the sum of its proper divisors (125028755727631).
468687949786865 is a wasteful number, since it uses less digits than its factorization.
468687949786865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69934769.
The product of its digits is 1685528248320, while the sum is 101.
Subtracting 468687949786865 from its reverse (568687949786864), we obtain a palindrome (99999999999999).
The spelling of 468687949786865 in words is "four hundred sixty-eight trillion, six hundred eighty-seven billion, nine hundred forty-nine million, seven hundred eighty-six thousand, eight hundred sixty-five".
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