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29660585472 = 29327947971
BaseRepresentation
bin11011100111111010…
…001001111000000000
32211120002121212011200
4123213322021320000
5441221102213342
621343105141200
72100005550060
oct334772117000
984502555150
1029660585472
1111640699961
1258b932a800
132a48c770bb
1416153353a0
15b88e3194c
hex6e7e89e00

29660585472 has 240 divisors, whose sum is σ = 98035546752. Its totient is φ = 8456785920.

The previous prime is 29660585453. The next prime is 29660585497. The reversal of 29660585472 is 27458506692.

29660585472 is a `hidden beast` number, since 2 + 96 + 6 + 0 + 5 + 8 + 547 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30545947 + ... + 30546917.

Almost surely, 229660585472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29660585472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49017773376).

29660585472 is an abundant number, since it is smaller than the sum of its proper divisors (68374961280).

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

29660585472 is an equidigital number, since it uses as much as digits as its factorization.

29660585472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 29660585472 in words is "twenty-nine billion, six hundred sixty million, five hundred eighty-five thousand, four hundred seventy-two".