Base | Representation |
---|---|
bin | 11101111011100100100… |
… | …01000111011111000110 |
3 | 10122022111221220002000020 |
4 | 32331302101013133012 |
5 | 113322143023222403 |
6 | 2104240315000010 |
7 | 134205031043334 |
oct | 16756221073706 |
9 | 3568457802006 |
10 | 1028414273478 |
11 | 36716a057139 |
12 | 147391a39006 |
13 | 75c95c84907 |
14 | 37ac0034b54 |
15 | 1bb41060453 |
hex | ef724477c6 |
1028414273478 has 32 divisors (see below), whose sum is σ = 2074792934400. Its totient is φ = 339823408320.
The previous prime is 1028414273461. The next prime is 1028414273479. The reversal of 1028414273478 is 8743724148201.
It is a happy number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1028414273478.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1028414273479) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265575 + ... + 1912722.
It is an arithmetic number, because the mean of its divisors is an integer number (64837279200).
Almost surely, 21028414273478 is an apocalyptic number.
1028414273478 is an abundant number, since it is smaller than the sum of its proper divisors (1046378660922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1028414273478 is a wasteful number, since it uses less digits than its factorization.
1028414273478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3178772.
The product of its (nonzero) digits is 2408448, while the sum is 51.
The spelling of 1028414273478 in words is "one trillion, twenty-eight billion, four hundred fourteen million, two hundred seventy-three thousand, four hundred seventy-eight".
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