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23330240400 = 24352313371861
BaseRepresentation
bin10101101110100101…
…110011011110010000
32020012220222000020210
4111232211303132100
5340240020143100
614415012004120
71454100525405
oct255645633620
966186860223
1023330240400
119992348a15
124631300640
13227a61749c
1411b46d42ac
159182e3c50
hex56e973790

23330240400 has 240 divisors, whose sum is σ = 77415822848. Its totient is φ = 5999616000.

The previous prime is 23330240399. The next prime is 23330240447. The reversal of 23330240400 is 404203332.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12535470 + ... + 12537330.

Almost surely, 223330240400 is an apocalyptic number.

23330240400 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 23330240400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38707911424).

23330240400 is an abundant number, since it is smaller than the sum of its proper divisors (54085582448).

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

23330240400 is a wasteful number, since it uses less digits than its factorization.

23330240400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 23330240400 its reverse (404203332), we get a palindrome (23734443732).

The spelling of 23330240400 in words is "twenty-three billion, three hundred thirty million, two hundred forty thousand, four hundred".