Base | Representation |
---|---|
bin | 111110011001010101011… |
… | …101111101111111001000 |
3 | 120011220120221101122022022 |
4 | 332121111131331333020 |
5 | 1030222414141441330 |
6 | 13041443204344012 |
7 | 621532650350213 |
oct | 76312535757710 |
9 | 16156527348268 |
10 | 4287811280840 |
11 | 14034a575984a |
12 | 59300b3a5008 |
13 | 251453658089 |
14 | 10b76177a77a |
15 | 7680856bae5 |
hex | 3e65577dfc8 |
4287811280840 has 32 divisors (see below), whose sum is σ = 9706762975680. Its totient is φ = 1704602273472.
The previous prime is 4287811280783. The next prime is 4287811280903. The reversal of 4287811280840 is 480821187824.
It is a super-2 number, since 2×42878112808402 (a number of 26 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328813364 + ... + 328826403.
It is an arithmetic number, because the mean of its divisors is an integer number (303336342990).
Almost surely, 24287811280840 is an apocalyptic number.
4287811280840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
4287811280840 is an abundant number, since it is smaller than the sum of its proper divisors (5418951694840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4287811280840 is a wasteful number, since it uses less digits than its factorization.
4287811280840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 657639941 (or 657639937 counting only the distinct ones).
The product of its (nonzero) digits is 1835008, while the sum is 53.
The spelling of 4287811280840 in words is "four trillion, two hundred eighty-seven billion, eight hundred eleven million, two hundred eighty thousand, eight hundred forty".
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