Base | Representation |
---|---|
bin | 1000000100111111010101… |
… | …1010111100010010001100 |
3 | 1011110002111221122202010021 |
4 | 2001033311122330102030 |
5 | 2131004424102201140 |
6 | 30520125513151524 |
7 | 1604455436560315 |
oct | 201176532742214 |
9 | 34402457582107 |
10 | 8881814881420 |
11 | 2914835a52308 |
12 | bb54319bb5a4 |
13 | 4c57229a6070 |
14 | 229c4c80b60c |
15 | 106082c1db4a |
hex | 813f56bc48c |
8881814881420 has 24 divisors (see below), whose sum is σ = 20086565963184. Its totient is φ = 3279439340736.
The previous prime is 8881814881399. The next prime is 8881814881427. The reversal of 8881814881420 is 241884181888.
It is a super-2 number, since 2×88818148814202 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8881814881427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17080412974 + ... + 17080413493.
It is an arithmetic number, because the mean of its divisors is an integer number (836940248466).
Almost surely, 28881814881420 is an apocalyptic number.
It is an amenable number.
8881814881420 is an abundant number, since it is smaller than the sum of its proper divisors (11204751081764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8881814881420 is a wasteful number, since it uses less digits than its factorization.
8881814881420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34160826489 (or 34160826487 counting only the distinct ones).
The product of its (nonzero) digits is 8388608, while the sum is 61.
The spelling of 8881814881420 in words is "eight trillion, eight hundred eighty-one billion, eight hundred fourteen million, eight hundred eighty-one thousand, four hundred twenty".
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