Base | Representation |
---|---|
bin | 10010010111110101101101… |
… | …100010001000111110101110 |
3 | 101121002200211000001002000001 |
4 | 102113311231202020332232 |
5 | 41042334130143441440 |
6 | 443504225003454514 |
7 | 23006554042336162 |
oct | 2227655542107656 |
9 | 347080730032001 |
10 | 80803057405870 |
11 | 23823425413148 |
12 | 909021052743a |
13 | 3611907372397 |
14 | 15d4c62dc6ca2 |
15 | 951d1635db9a |
hex | 497d6d888fae |
80803057405870 has 32 divisors (see below), whose sum is σ = 148191845290848. Its totient is φ = 31710941927808.
The previous prime is 80803057405843. The next prime is 80803057405871. The reversal of 80803057405870 is 7850475030808.
It is a happy number.
It is a super-2 number, since 2×808030574058702 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80803057405871) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37927117 + ... + 40000903.
It is an arithmetic number, because the mean of its divisors is an integer number (4630995165339).
Almost surely, 280803057405870 is an apocalyptic number.
80803057405870 is a deficient number, since it is larger than the sum of its proper divisors (67388787884978).
80803057405870 is a wasteful number, since it uses less digits than its factorization.
80803057405870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2147364.
The product of its (nonzero) digits is 7526400, while the sum is 55.
The spelling of 80803057405870 in words is "eighty trillion, eight hundred three billion, fifty-seven million, four hundred five thousand, eight hundred seventy".
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