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23835826508920 = 235193153137313903
BaseRepresentation
bin1010110101101101101011…
…11110001101010001111000
310010101200102201202202010021
411122312311332031101320
511111011233041241140
6122410005540300224
75010040000256236
oct532666576152170
9103350381682107
1023835826508920
11765a798735968
12280b6620a1674
13103b92a2b8aba
145c5935691956
152b5057cadb4a
hex15adb5f8d478

23835826508920 has 256 divisors, whose sum is σ = 59421380198400. Its totient is φ = 8569361848320.

The previous prime is 23835826508759. The next prime is 23835826508927. The reversal of 23835826508920 is 2980562853832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23835826508927) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1714430689 + ... + 1714444591.

It is an arithmetic number, because the mean of its divisors is an integer number (232114766400).

Almost surely, 223835826508920 is an apocalyptic number.

23835826508920 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 23835826508920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29710690099200).

23835826508920 is an abundant number, since it is smaller than the sum of its proper divisors (35585553689480).

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

23835826508920 is a wasteful number, since it uses less digits than its factorization.

23835826508920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15390 (or 15386 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 23835826508920 in words is "twenty-three trillion, eight hundred thirty-five billion, eight hundred twenty-six million, five hundred eight thousand, nine hundred twenty".