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23130000212 = 22111051500173
BaseRepresentation
bin10101100010101001…
…111100101101010100
32012200222011202100112
4111202221330231110
5334332240001322
614343100102152
71446116520644
oct254251745524
965628152315
1023130000212
11989a311560
124596234958
132247ca7a77
141195c8c524
1590593d5e2
hex562a7cb54

23130000212 has 24 divisors (see below), whose sum is σ = 44199376032. Its totient is φ = 10503612000.

The previous prime is 23130000211. The next prime is 23130000307. The reversal of 23130000212 is 21200003132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130000211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203843 + ... + 296330.

It is an arithmetic number, because the mean of its divisors is an integer number (1841640668).

Almost surely, 223130000212 is an apocalyptic number.

23130000212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23130000212 is a deficient number, since it is larger than the sum of its proper divisors (21069375820).

23130000212 is a wasteful number, since it uses less digits than its factorization.

23130000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501239 (or 501237 counting only the distinct ones).

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

Adding to 23130000212 its reverse (21200003132), we get a palindrome (44330003344).

The spelling of 23130000212 in words is "twenty-three billion, one hundred thirty million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 11 22 44 1051 2102 4204 11561 23122 46244 500173 1000346 2000692 5501903 11003806 22007612 525681823 1051363646 2102727292 5782500053 11565000106 23130000212