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23201002213200 = 243252710114296379
BaseRepresentation
bin1010100011001111001110…
…11111101100111101010000
310001010222211201212011122200
411101213213133230331100
511020111123031310300
6121202220540403200
74613134314632250
oct521474737547520
9101128751764580
1023201002213200
11743554299a589
122728614846500
13cc3aca966466
145a2d1239b960
152a37a0a1b200
hex1519e77ecf50

23201002213200 has 720 divisors, whose sum is σ = 93006567139200. Its totient is φ = 5246083584000.

The previous prime is 23201002213177. The next prime is 23201002213229. The reversal of 23201002213200 is 231220010232.

23201002213200 is a `hidden beast` number, since 2 + 3 + 20 + 100 + 221 + 320 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×232010022132002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3637087611 + ... + 3637093989.

Almost surely, 223201002213200 is an apocalyptic number.

23201002213200 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 23201002213200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46503283569600).

23201002213200 is an abundant number, since it is smaller than the sum of its proper divisors (69805564926000).

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

23201002213200 is a wasteful number, since it uses less digits than its factorization.

23201002213200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940 (or 7926 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23201002213200 its reverse (231220010232), we get a palindrome (23432222223432).

The spelling of 23201002213200 in words is "twenty-three trillion, two hundred one billion, two million, two hundred thirteen thousand, two hundred".