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20230105542 = 233371684257
BaseRepresentation
bin10010110101110011…
…101110100111000110
31221012212111211201020
4102311303232213012
5312412401334132
613143225212010
71314215026353
oct226563564706
957185454636
1020230105542
118641404799
123b07031006
131ba5272c6a
14d9caa362a
157d607052c
hex4b5cee9c6

20230105542 has 8 divisors (see below), whose sum is σ = 40460211096. Its totient is φ = 6743368512.

The previous prime is 20230105537. The next prime is 20230105547. The reversal of 20230105542 is 24550103202.

It is an interprime number because it is at equal distance from previous prime (20230105537) and next prime (20230105547).

It is a sphenic number, since it is the product of 3 distinct primes.

20230105542 is an admirable number.

It is a super-2 number, since 2×202301055422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230105547) 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, 1685842123 + ... + 1685842134.

It is an arithmetic number, because the mean of its divisors is an integer number (5057526387).

Almost surely, 220230105542 is an apocalyptic number.

20230105542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230105542 is a wasteful number, since it uses less digits than its factorization.

20230105542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371684262.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 20230105542 its reverse (24550103202), we get a palindrome (44780208744).

The spelling of 20230105542 in words is "twenty billion, two hundred thirty million, one hundred five thousand, five hundred forty-two".

Divisors: 1 2 3 6 3371684257 6743368514 10115052771 20230105542