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23011012003 = 718118161809
BaseRepresentation
bin10101011011100100…
…000010110110100011
32012101200021112012211
4111123210002312203
5334111304341003
614323205502551
71443143242360
oct253344026643
965350245184
1023011012003
1198391309a1
124562411a57
132229446545
141184157467
158ea28796d
hex55b902da3

23011012003 has 8 divisors (see below), whose sum is σ = 26443595360. Its totient is φ = 19614752640.

The previous prime is 23011011971. The next prime is 23011012049. The reversal of 23011012003 is 30021011032.

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

It is not a de Polignac number, because 23011012003 - 25 = 23011011971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23011012093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9079638 + ... + 9082171.

It is an arithmetic number, because the mean of its divisors is an integer number (3305449420).

Almost surely, 223011012003 is an apocalyptic number.

23011012003 is a deficient number, since it is larger than the sum of its proper divisors (3432583357).

23011012003 is a wasteful number, since it uses less digits than its factorization.

23011012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18161997.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 23011012003 its reverse (30021011032), we get a palindrome (53032023035).

The spelling of 23011012003 in words is "twenty-three billion, eleven million, twelve thousand, three".

Divisors: 1 7 181 1267 18161809 127132663 3287287429 23011012003