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23003103133 = 509229319709
BaseRepresentation
bin10101011011000101…
…110111111110011101
32012101010101201021201
4111123011313332131
5334102243300013
614322324155501
71443016102423
oct253305677635
965333351251
1023003103133
11983471993a
12455b838b91
13222790773a
141183099113
158e97243dd
hex55b177f9d

23003103133 has 8 divisors (see below), whose sum is σ = 23059517400. Its totient is φ = 22946733888.

The previous prime is 23003103043. The next prime is 23003103173. The reversal of 23003103133 is 33130130032.

It can be written as a sum of positive squares in 4 ways, for example, as 4518797284 + 18484305849 = 67222^2 + 135957^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23003103133 - 29 = 23003102621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23003103133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003103173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157283 + ... + 1176991.

It is an arithmetic number, because the mean of its divisors is an integer number (2882439675).

Almost surely, 223003103133 is an apocalyptic number.

It is an amenable number.

23003103133 is a deficient number, since it is larger than the sum of its proper divisors (56414267).

23003103133 is a wasteful number, since it uses less digits than its factorization.

23003103133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22511.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 23003103133 its reverse (33130130032), we get a palindrome (56133233165).

The spelling of 23003103133 in words is "twenty-three billion, three million, one hundred three thousand, one hundred thirty-three".

Divisors: 1 509 2293 19709 1167137 10031881 45192737 23003103133