Search a number
-
+
23101106542 = 2157389189127
BaseRepresentation
bin10101100000111011…
…101110100101101110
32012121221210210200121
4111200323232211232
5334302340402132
614340144515154
71445316110563
oct254073564556
965557723617
1023101106542
119884a77298
12458861baba
132241ccc517
1411920ca86a
15903132497
hex560eee96e

23101106542 has 16 divisors (see below), whose sum is σ = 34962202080. Its totient is φ = 11447418528.

The previous prime is 23101106533. The next prime is 23101106593. The reversal of 23101106542 is 24560110132.

It is a happy number.

It is a super-2 number, since 2×231011065422 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27583 + ... + 216709.

It is an arithmetic number, because the mean of its divisors is an integer number (2185137630).

Almost surely, 223101106542 is an apocalyptic number.

23101106542 is a deficient number, since it is larger than the sum of its proper divisors (11861095538).

23101106542 is a wasteful number, since it uses less digits than its factorization.

23101106542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189675.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 23101106542 its reverse (24560110132), we get a palindrome (47661216674).

The spelling of 23101106542 in words is "twenty-three billion, one hundred one million, one hundred six thousand, five hundred forty-two".

Divisors: 1 2 157 314 389 778 61073 122146 189127 378254 29692939 59385878 73570403 147140806 11550553271 23101106542