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23130200201 = 108372134373
BaseRepresentation
bin10101100010101010…
…101101100010001001
32012200222112220200112
4111202222231202021
5334332312401301
614343104244105
71446121313003
oct254252554211
965628486615
1023130200201
11989a438839
124596310635
132248047ac4
141195d01373
1590597c9bb
hex562aad889

23130200201 has 4 divisors (see below), whose sum is σ = 23132345412. Its totient is φ = 23128054992.

The previous prime is 23130200173. The next prime is 23130200251. The reversal of 23130200201 is 10200203132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2156209225 + 20973990976 = 46435^2 + 144824^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130200201 - 222 = 23126005897 is a prime.

It is a super-2 number, since 2×231302002012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130200251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056350 + ... + 1078023.

It is an arithmetic number, because the mean of its divisors is an integer number (5783086353).

Almost surely, 223130200201 is an apocalyptic number.

It is an amenable number.

23130200201 is a deficient number, since it is larger than the sum of its proper divisors (2145211).

23130200201 is a wasteful number, since it uses less digits than its factorization.

23130200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145210.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23130200201 its reverse (10200203132), we get a palindrome (33330403333).

The spelling of 23130200201 in words is "twenty-three billion, one hundred thirty million, two hundred thousand, two hundred one".

Divisors: 1 10837 2134373 23130200201