Base | Representation |
---|---|
bin | 100000100010001000111… |
… | …011010100100000010100 |
3 | 21220201200101210211011221 |
4 | 200202020323110200110 |
5 | 243112133120331110 |
6 | 4431020214340124 |
7 | 320344145353162 |
oct | 40421073244024 |
9 | 7821611724157 |
10 | 2235680245780 |
11 | 79216823a813 |
12 | 30135895a644 |
13 | 132a929bacc7 |
14 | 7a2c9552232 |
15 | 3d24daa17da |
hex | 20888ed4814 |
2235680245780 has 24 divisors (see below), whose sum is σ = 4698214040520. Its totient is φ = 893646284160.
The previous prime is 2235680245723. The next prime is 2235680245789. The reversal of 2235680245780 is 875420865322.
It can be written as a sum of positive squares in 4 ways, for example, as 6266938896 + 2229413306884 = 79164^2 + 1493122^2 .
It is a super-2 number, since 2×22356802457802 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2235680245789) 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, 39084091 + ... + 39141250.
It is an arithmetic number, because the mean of its divisors is an integer number (195758918355).
Almost surely, 22235680245780 is an apocalyptic number.
2235680245780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2235680245780 is an abundant number, since it is smaller than the sum of its proper divisors (2462533794740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2235680245780 is a wasteful number, since it uses less digits than its factorization.
2235680245780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78226779 (or 78226777 counting only the distinct ones).
The product of its (nonzero) digits is 6451200, while the sum is 52.
The spelling of 2235680245780 in words is "two trillion, two hundred thirty-five billion, six hundred eighty million, two hundred forty-five thousand, seven hundred eighty".
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