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23101223040 = 2732572332459
BaseRepresentation
bin10101100000111100…
…001011000010000000
32012121222000201111100
4111200330023002000
5334302403114130
614340151214400
71445320104330
oct254074130200
965558021440
1023101223040
119885046875
124588677400
13224204055c
14119211b0c0
15903156c60
hex560f0b080

23101223040 has 384 divisors, whose sum is σ = 91595836800. Its totient is φ = 5255479296.

The previous prime is 23101222997. The next prime is 23101223051. The reversal of 23101223040 is 4032210132.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9393331 + ... + 9395789.

It is an arithmetic number, because the mean of its divisors is an integer number (238530825).

Almost surely, 223101223040 is an apocalyptic number.

23101223040 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 23101223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45797918400).

23101223040 is an abundant number, since it is smaller than the sum of its proper divisors (68494613760).

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

23101223040 is a wasteful number, since it uses less digits than its factorization.

23101223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2709 counting only the distinct ones).

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

Adding to 23101223040 its reverse (4032210132), we get a palindrome (27133433172).

The spelling of 23101223040 in words is "twenty-three billion, one hundred one million, two hundred twenty-three thousand, forty".