Search a number
-
+
23551431103043 = 1721394799122167
BaseRepresentation
bin1010101101011011111101…
…01011110101001001000011
310002101111100201122020021122
411112231332223311021003
511041331312330244133
6122031213355542455
74650351263225234
oct526557653651103
9102344321566248
1023551431103043
117560118967148
12278451275aa2b
13101ab7634cc4c
145b5c76b9508b
152ac96053d498
hex156b7eaf5243

23551431103043 has 24 divisors (see below), whose sum is σ = 25203747072000. Its totient is φ = 22001819038848.

The previous prime is 23551431103019. The next prime is 23551431103049. The reversal of 23551431103043 is 34030113415532.

It is not a de Polignac number, because 23551431103043 - 224 = 23551414325827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23551431102994 and 23551431103012.

It is not an unprimeable number, because it can be changed into a prime (23551431103049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192719546 + ... + 192841712.

It is an arithmetic number, because the mean of its divisors is an integer number (1050156128000).

Almost surely, 223551431103043 is an apocalyptic number.

23551431103043 is a deficient number, since it is larger than the sum of its proper divisors (1652315968957).

23551431103043 is a wasteful number, since it uses less digits than its factorization.

23551431103043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127139 (or 127122 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 23551431103043 its reverse (34030113415532), we get a palindrome (57581544518575).

The spelling of 23551431103043 in words is "twenty-three trillion, five hundred fifty-one billion, four hundred thirty-one million, one hundred three thousand, forty-three".

Divisors: 1 17 139 289 2363 4799 40171 81583 122167 667061 1386911 2076839 11340037 16981213 35306263 192780629 288680621 586279433 4907570557 9966750361 81492841187 169434756137 1385378300179 23551431103043