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23211210000 = 2435411371901
BaseRepresentation
bin10101100111011111…
…101111010100010000
32012220121222122020110
4111213133233110100
5340014032210000
614355120441320
71451124013116
oct254737572420
965817878213
1023211210000
119931139690
1245b9479240
13225ba6c9b4
1411a298bab6
1590cb30850
hex5677ef510

23211210000 has 400 divisors, whose sum is σ = 83993963328. Its totient is φ = 5472000000.

The previous prime is 23211209999. The next prime is 23211210023. The reversal of 23211210000 is 1211232.

It is a tau number, because it is divible by the number of its divisors (400).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12209050 + ... + 12210950.

Almost surely, 223211210000 is an apocalyptic number.

23211210000 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 23211210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41996981664).

23211210000 is an abundant number, since it is smaller than the sum of its proper divisors (60782753328).

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

23211210000 is a wasteful number, since it uses less digits than its factorization.

23211210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 23211210000 its reverse (1211232), we get a palindrome (23212421232).

The spelling of 23211210000 in words is "twenty-three billion, two hundred eleven million, two hundred ten thousand".