Search a number
-
+
200023122031 = 313211638621
BaseRepresentation
bin1011101001001001001…
…1101010000001101111
3201010021221210101221221
42322102103222001233
511234121404401111
6231520033404211
720310521325115
oct2722223520157
9633257711857
10200023122031
1177913924117
1232923409667
1315b29056655
1499771bdab5
15530a4e0371
hex2e924ea06f

200023122031 has 4 divisors (see below), whose sum is σ = 200024073864. Its totient is φ = 200022170200.

The previous prime is 200023121999. The next prime is 200023122037. The reversal of 200023122031 is 130221320002.

200023122031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 200023122031 - 25 = 200023121999 is a prime.

It is a super-2 number, since 2×2000231220312 (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 = 200023121996 and 200023122014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200023122037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6100 + ... + 632521.

It is an arithmetic number, because the mean of its divisors is an integer number (50006018466).

Almost surely, 2200023122031 is an apocalyptic number.

200023122031 is a deficient number, since it is larger than the sum of its proper divisors (951833).

200023122031 is an equidigital number, since it uses as much as digits as its factorization.

200023122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951832.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 200023122031 its reverse (130221320002), we get a palindrome (330244442033).

The spelling of 200023122031 in words is "two hundred billion, twenty-three million, one hundred twenty-two thousand, thirty-one".

Divisors: 1 313211 638621 200023122031