Search a number
-
+
23103430133 = 7191011719901
BaseRepresentation
bin10101100001000100…
…100101110111110101
32012122010011212001112
4111201010211313311
5334303434231013
614340310404405
71445344626110
oct254104456765
965563155045
1023103430133
119886314013
124589360705
132242634024
141192533577
15903440ba8
hex561125df5

23103430133 has 16 divisors (see below), whose sum is σ = 28068800640. Its totient is φ = 18574920000.

The previous prime is 23103430127. The next prime is 23103430169. The reversal of 23103430133 is 33103430132.

It is not a de Polignac number, because 23103430133 - 26 = 23103430069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23103430099 and 23103430108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103430123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846518 + ... + 873383.

It is an arithmetic number, because the mean of its divisors is an integer number (1754300040).

Almost surely, 223103430133 is an apocalyptic number.

It is an amenable number.

23103430133 is a deficient number, since it is larger than the sum of its proper divisors (4965370507).

23103430133 is a wasteful number, since it uses less digits than its factorization.

23103430133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720028.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23103430133 its reverse (33103430132), we get a palindrome (56206860265).

Subtracting 23103430133 from its reverse (33103430132), we obtain a palindrome (9999999999).

The spelling of 23103430133 in words is "twenty-three billion, one hundred three million, four hundred thirty thousand, one hundred thirty-three".

Divisors: 1 7 19 101 133 707 1919 13433 1719901 12039307 32678119 173710001 228746833 1215970007 3300490019 23103430133