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23100310200 = 233521119414493
BaseRepresentation
bin10101100000111000…
…101100001010111000
32012121220022100022110
4111200320230022320
5334302134411300
614340115452320
71445306253102
oct254070541270
965556270273
1023100310200
119884582a60
1245882b70a0
132241ab0c06
141191d60572
15903026550
hex560e2c2b8

23100310200 has 384 divisors, whose sum is σ = 84257107200. Its totient is φ = 5174784000.

The previous prime is 23100310169. The next prime is 23100310201. The reversal of 23100310200 is 201300132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100310201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5139154 + ... + 5143646.

It is an arithmetic number, because the mean of its divisors is an integer number (219419550).

Almost surely, 223100310200 is an apocalyptic number.

23100310200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23100310200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42128553600).

23100310200 is an abundant number, since it is smaller than the sum of its proper divisors (61156797000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23100310200 is a wasteful number, since it uses less digits than its factorization.

23100310200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583 (or 4574 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 23100310200 its reverse (201300132), we get a palindrome (23301610332).

The spelling of 23100310200 in words is "twenty-three billion, one hundred million, three hundred ten thousand, two hundred".