Base | Representation |
---|---|
bin | 100000010100011111101… |
… | …101001001101110001111 |
3 | 21212022212101211100022100 |
4 | 200110133231021232033 |
5 | 242342132141201111 |
6 | 4420154353250143 |
7 | 316315123456452 |
oct | 40243755115617 |
9 | 7768771740270 |
10 | 2221030022031 |
11 | 786a2a5aa887 |
12 | 2ba54a563953 |
13 | 13159977a362 |
14 | 796d997b499 |
15 | 3cb9282e756 |
hex | 2051fb49b8f |
2221030022031 has 96 divisors (see below), whose sum is σ = 3648161088000. Its totient is φ = 1294497033984.
The previous prime is 2221030022017. The next prime is 2221030022039. The reversal of 2221030022031 is 1302200301222.
It is not a de Polignac number, because 2221030022031 - 26 = 2221030021967 is a prime.
It is a super-2 number, since 2×22210300220312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2221030021995 and 2221030022013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221030022039) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 162980640 + ... + 162994266.
It is an arithmetic number, because the mean of its divisors is an integer number (38001678000).
Almost surely, 22221030022031 is an apocalyptic number.
2221030022031 is a deficient number, since it is larger than the sum of its proper divisors (1427131065969).
2221030022031 is a wasteful number, since it uses less digits than its factorization.
2221030022031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15133 (or 15130 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 2221030022031 its reverse (1302200301222), we get a palindrome (3523230323253).
The spelling of 2221030022031 in words is "two trillion, two hundred twenty-one billion, thirty million, twenty-two thousand, thirty-one".
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