Base | Representation |
---|---|
bin | 11110101110000010101… |
… | …011010001000001011011 |
3 | 21110210220201001101012011 |
4 | 132232002223101001123 |
5 | 234041332424303311 |
6 | 4253442333130351 |
7 | 305342035113445 |
oct | 36560253210133 |
9 | 7423821041164 |
10 | 2111021322331 |
11 | 744308558539 |
12 | 2a11689299b7 |
13 | 1240b75256cc |
14 | 74261571495 |
15 | 39da4ab9321 |
hex | 1eb82ad105b |
2111021322331 has 8 divisors (see below), whose sum is σ = 2235228044544. Its totient is φ = 1986817822080.
The previous prime is 2111021322299. The next prime is 2111021322419. The reversal of 2111021322331 is 1332231201112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2111021322331 - 25 = 2111021322299 is a prime.
It is a super-2 number, since 2×21110213223312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2111021322731) 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, 615046 + ... + 2144836.
It is an arithmetic number, because the mean of its divisors is an integer number (279403505568).
Almost surely, 22111021322331 is an apocalyptic number.
2111021322331 is a deficient number, since it is larger than the sum of its proper divisors (124206722213).
2111021322331 is a wasteful number, since it uses less digits than its factorization.
2111021322331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1610981.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 2111021322331 its reverse (1332231201112), we get a palindrome (3443252523443).
The spelling of 2111021322331 in words is "two trillion, one hundred eleven billion, twenty-one million, three hundred twenty-two thousand, three hundred thirty-one".
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