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23130213203 = 611312894533
BaseRepresentation
bin10101100010101010…
…110000101101010011
32012200222120120112002
4111202222300231103
5334332313310303
614343104424215
71446121365626
oct254252605523
965628516462
1023130213203
11989a447589
12459631806b
1322480509b6
141195d05dbd
15905981788
hex562ab0b53

23130213203 has 8 divisors (see below), whose sum is σ = 23688866256. Its totient is φ = 22577349600.

The previous prime is 23130213191. The next prime is 23130213233. The reversal of 23130213203 is 30231203132.

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 23130213203 - 210 = 23130212179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130213233) 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, 1439276 + ... + 1455257.

It is an arithmetic number, because the mean of its divisors is an integer number (2961108282).

Almost surely, 223130213203 is an apocalyptic number.

23130213203 is a deficient number, since it is larger than the sum of its proper divisors (558653053).

23130213203 is a wasteful number, since it uses less digits than its factorization.

23130213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894725.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23130213203 its reverse (30231203132), we get a palindrome (53361416335).

The spelling of 23130213203 in words is "twenty-three billion, one hundred thirty million, two hundred thirteen thousand, two hundred three".

Divisors: 1 61 131 7991 2894533 176566513 379183823 23130213203