Base | Representation |
---|---|
bin | 1100001110011001001… |
… | …1001001100111101111 |
3 | 202002002210211201001112 |
4 | 3003212103021213233 |
5 | 11420111141210111 |
6 | 240252144502235 |
7 | 21113355221144 |
oct | 3034623114757 |
9 | 662083751045 |
10 | 210022210031 |
11 | 81085075a07 |
12 | 3485401a97b |
13 | 16a607b497a |
14 | a2451863cb |
15 | 56e326ce8b |
hex | 30e64c99ef |
210022210031 has 16 divisors (see below), whose sum is σ = 220427746560. Its totient is φ = 199870295040.
The previous prime is 210022210009. The next prime is 210022210037. The reversal of 210022210031 is 130012220012.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-210022210031 is a prime.
It is a super-2 number, since 2×2100222100312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 210022209988 and 210022210015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210022210037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249665 + ... + 694533.
It is an arithmetic number, because the mean of its divisors is an integer number (13776734160).
Almost surely, 2210022210031 is an apocalyptic number.
210022210031 is a deficient number, since it is larger than the sum of its proper divisors (10405536529).
210022210031 is a wasteful number, since it uses less digits than its factorization.
210022210031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 445154.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 210022210031 its reverse (130012220012), we get a palindrome (340034430043).
The spelling of 210022210031 in words is "two hundred ten billion, twenty-two million, two hundred ten thousand, thirty-one".
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