Base | Representation |
---|---|
bin | 1000010011111100… |
… | …0001011101010011 |
3 | 12202111020022102101 |
4 | 2010333001131103 |
5 | 14032131113210 |
6 | 1005220301231 |
7 | 106201103146 |
oct | 20477013523 |
9 | 5674208371 |
10 | 2231113555 |
11 | a45450700 |
12 | 523241817 |
13 | 297306448 |
14 | 17245a05d |
15 | d0d15a3a |
hex | 84fc1753 |
2231113555 has 48 divisors (see below), whose sum is σ = 3055433472. Its totient is φ = 1561190400.
The previous prime is 2231113553. The next prime is 2231113567. The reversal of 2231113555 is 5553111322.
2231113555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2231113555 - 21 = 2231113553 is a prime.
It is a super-3 number, since 3×22311135553 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2231113553) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6320259 + ... + 6320611.
It is an arithmetic number, because the mean of its divisors is an integer number (63654864).
Almost surely, 22231113555 is an apocalyptic number.
2231113555 is a deficient number, since it is larger than the sum of its proper divisors (824319917).
2231113555 is a wasteful number, since it uses less digits than its factorization.
2231113555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 748 (or 737 counting only the distinct ones).
The product of its digits is 4500, while the sum is 28.
The square root of 2231113555 is about 47234.6647601102. The cubic root of 2231113555 is about 1306.6939838871.
Adding to 2231113555 its reverse (5553111322), we get a palindrome (7784224877).
It can be divided in two parts, 223 and 1113555, that added together give a triangular number (1113778 = T1492).
The spelling of 2231113555 in words is "two billion, two hundred thirty-one million, one hundred thirteen thousand, five hundred fifty-five".
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