Base | Representation |
---|---|
bin | 100000011110000000010… |
… | …110000110000110101100 |
3 | 21220022020001011010200012 |
4 | 200132000112012012230 |
5 | 243024040233134234 |
6 | 4425003524352352 |
7 | 320126145100340 |
oct | 40360026060654 |
9 | 7808201133605 |
10 | 2231241302444 |
11 | 79029a601a00 |
12 | 30051a2456b8 |
13 | 13253617140b |
14 | 79dc7bbb620 |
15 | 3d08e0240ce |
hex | 207805861ac |
2231241302444 has 72 divisors (see below), whose sum is σ = 4953608403744. Its totient is φ = 860707584000.
The previous prime is 2231241302401. The next prime is 2231241302449. The reversal of 2231241302444 is 4442031421322.
It is a happy number.
It is a super-3 number, since 3×22312413024443 (a number of 38 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2231241302444.
It is not an unprimeable number, because it can be changed into a prime (2231241302449) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2918069 + ... + 3602444.
Almost surely, 22231241302444 is an apocalyptic number.
It is an amenable number.
2231241302444 is an abundant number, since it is smaller than the sum of its proper divisors (2722367101300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231241302444 is a wasteful number, since it uses less digits than its factorization.
2231241302444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6520647 (or 6520634 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 32.
Adding to 2231241302444 its reverse (4442031421322), we get a palindrome (6673272723766).
The spelling of 2231241302444 in words is "two trillion, two hundred thirty-one billion, two hundred forty-one million, three hundred two thousand, four hundred forty-four".
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