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23209080384 = 2637732291033
BaseRepresentation
bin10101100111010111…
…100111011001000000
32012220110222102221210
4111213113213121000
5340013011033014
614355003050120
71451066633250
oct254727473100
965813872853
1023209080384
11992aa14676
1245b8810940
13225b4a5579
1411a2595960
1590c85e859
hex5675e7640

23209080384 has 224 divisors, whose sum is σ = 71521035520. Its totient is φ = 6505463808.

The previous prime is 23209080383. The next prime is 23209080413. The reversal of 23209080384 is 48308090232.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×232090803842 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23209080383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22467132 + ... + 22468164.

Almost surely, 223209080384 is an apocalyptic number.

23209080384 is a gapful number since it is divisible by the number (24) 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 23209080384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35760517760).

23209080384 is an abundant number, since it is smaller than the sum of its proper divisors (48311955136).

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

23209080384 is a wasteful number, since it uses less digits than its factorization.

23209080384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 23209080384 in words is "twenty-three billion, two hundred nine million, eighty thousand, three hundred eighty-four".