Search a number
-
+
3100020220021 = 23392334357249
BaseRepresentation
bin101101000111000111100…
…110101010000001110101
3101222100200201221220100111
4231013013212222001311
5401242320134020041
610332043555543021
7436653251046064
oct55070746520165
911870621856314
103100020220021
11a9579066243a
1242097a5baa71
1319643b59bc4a
14aa0828dc1db
155598a624981
hex2d1c79aa075

3100020220021 has 8 divisors (see below), whose sum is σ = 3235628376000. Its totient is φ = 2964480786432.

The previous prime is 3100020220007. The next prime is 3100020220109. The reversal of 3100020220021 is 1200220200013.

3100020220021 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 3100020220021 - 239 = 2550264406133 is a prime.

It is a super-2 number, since 2×31000202200212 (a number of 26 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 = 3100020219983 and 3100020220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100020220621) 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, 17088396 + ... + 17268853.

It is an arithmetic number, because the mean of its divisors is an integer number (404453547000).

Almost surely, 23100020220021 is an apocalyptic number.

It is an amenable number.

3100020220021 is a deficient number, since it is larger than the sum of its proper divisors (135608155979).

3100020220021 is a wasteful number, since it uses less digits than its factorization.

3100020220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34361195.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 3100020220021 its reverse (1200220200013), we get a palindrome (4300240420034).

The spelling of 3100020220021 in words is "three trillion, one hundred billion, twenty million, two hundred twenty thousand, twenty-one".

Divisors: 1 23 3923 90229 34357249 790216727 134783487827 3100020220021