Base | Representation |
---|---|
bin | 10001110010001100101… |
… | …100010000000000111000 |
3 | 11022211112102022121100020 |
4 | 101302030230100000320 |
5 | 130010411031402412 |
6 | 2333234515210440 |
7 | 154203356065206 |
oct | 21621454200070 |
9 | 4284472277306 |
10 | 1222131122232 |
11 | 431337180859 |
12 | 178a352a6a20 |
13 | 8b3286591c7 |
14 | 4321987c076 |
15 | 21bccaba18c |
hex | 11c8cb10038 |
1222131122232 has 32 divisors (see below), whose sum is σ = 3129847998480. Its totient is φ = 397441015040.
The previous prime is 1222131122209. The next prime is 1222131122237. The reversal of 1222131122232 is 2322211312221.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222131122237) 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, 621000603 + ... + 621002570.
Almost surely, 21222131122232 is an apocalyptic number.
1222131122232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1222131122232 is an abundant number, since it is smaller than the sum of its proper divisors (1907716876248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222131122232 is a wasteful number, since it uses less digits than its factorization.
1222131122232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1242003223 (or 1242003219 counting only the distinct ones).
The product of its digits is 1152, while the sum is 24.
Adding to 1222131122232 its reverse (2322211312221), we get a palindrome (3544342434453).
The spelling of 1222131122232 in words is "one trillion, two hundred twenty-two billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred thirty-two".
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