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20230631220233 = 72890090174319
BaseRepresentation
bin1001001100110010011111…
…00101100110010000001001
32122122000210110210101220102
410212121033211212100021
510122424313043021413
6111005453525335145
74155420621033650
oct446311745462011
978560713711812
1020230631220233
11649a842a04385
1223289b95674b5
13b399816a50a5
144dd24c53a197
152513a256c458
hex12664f966409

20230631220233 has 4 divisors (see below), whose sum is σ = 23120721394560. Its totient is φ = 17340541045908.

The previous prime is 20230631220203. The next prime is 20230631220259. The reversal of 20230631220233 is 33202213603202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20230631220233 - 210 = 20230631219209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20230631220196 and 20230631220205.

It is not an unprimeable number, because it can be changed into a prime (20230631220203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445045087153 + ... + 1445045087166.

It is an arithmetic number, because the mean of its divisors is an integer number (5780180348640).

Almost surely, 220230631220233 is an apocalyptic number.

It is an amenable number.

20230631220233 is a deficient number, since it is larger than the sum of its proper divisors (2890090174327).

20230631220233 is an equidigital number, since it uses as much as digits as its factorization.

20230631220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890090174326.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 20230631220233 its reverse (33202213603202), we get a palindrome (53432844823435).

The spelling of 20230631220233 in words is "twenty trillion, two hundred thirty billion, six hundred thirty-one million, two hundred twenty thousand, two hundred thirty-three".

Divisors: 1 7 2890090174319 20230631220233