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23281423704 = 23357211171307
BaseRepresentation
bin10101101011101011…
…100101010101011000
32020002112002212100000
4111223223211111120
5340140021024304
614410105413000
71452635556600
oct255353452530
966075085300
1023281423704
119967836240
124618a9a160
132270484876
1411ac027c00
15913d9e939
hex56bae5558

23281423704 has 576 divisors, whose sum is σ = 87928364160. Its totient is φ = 5687055360.

The previous prime is 23281423703. The next prime is 23281423717. The reversal of 23281423704 is 40732418232.

It is a happy number.

23281423704 is a `hidden beast` number, since 2 + 3 + 281 + 4 + 2 + 370 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23281423703) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 17812219 + ... + 17813525.

It is an arithmetic number, because the mean of its divisors is an integer number (152653410).

Almost surely, 223281423704 is an apocalyptic number.

23281423704 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 23281423704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43964182080).

23281423704 is an abundant number, since it is smaller than the sum of its proper divisors (64646940456).

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

23281423704 is a wasteful number, since it uses less digits than its factorization.

23281423704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

It can be divided in two parts, 23281 and 423704, that added together give a triangular number (446985 = T945).

The spelling of 23281423704 in words is "twenty-three billion, two hundred eighty-one million, four hundred twenty-three thousand, seven hundred four".