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6662342880 = 2533513711257
BaseRepresentation
bin1100011010001101…
…10100100011100000
3122012022101002022000
412031012310203200
5102121024433010
63021033044000
7324045660114
oct61506644340
918168332260
106662342880
11290979a8a6
12135b256600
13822381b2b
14472b83744
1528ed6c7c0
hex18d1b48e0

6662342880 has 192 divisors, whose sum is σ = 23490492480. Its totient is φ = 1763500032.

The previous prime is 6662342873. The next prime is 6662342881. The reversal of 6662342880 is 882432666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662342881) 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, 586212 + ... + 597468.

It is an arithmetic number, because the mean of its divisors is an integer number (122346315).

Almost surely, 26662342880 is an apocalyptic number.

6662342880 is a gapful number since it is divisible by the number (60) 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 6662342880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11745246240).

6662342880 is an abundant number, since it is smaller than the sum of its proper divisors (16828149600).

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

6662342880 is a wasteful number, since it uses less digits than its factorization.

6662342880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11418 (or 11404 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 6662342880 is about 81623.1761205113. The cubic root of 6662342880 is about 1881.6650858629.

The spelling of 6662342880 in words is "six billion, six hundred sixty-two million, three hundred forty-two thousand, eight hundred eighty".