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29530766240 = 2551009182921
BaseRepresentation
bin11011100000001010…
…111011101110100000
32211020001100100122222
4123200022323232200
5440434334004430
621322150450212
72063541241253
oct334012735640
984201310588
1029530766240
1111584390838
125881963968
132a280c29a1
141601dc109a
15b7c83b9e5
hex6e02bbba0

29530766240 has 48 divisors (see below), whose sum is σ = 69835961160. Its totient is φ = 11800535040.

The previous prime is 29530766197. The next prime is 29530766273. The reversal of 29530766240 is 4266703592.

It can be written as a sum of positive squares in 4 ways, for example, as 21102791824 + 8427974416 = 145268^2 + 91804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29530766191 and 29530766200.

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 7 ways as a sum of consecutive naturals, for example, 69980 + ... + 252900.

Almost surely, 229530766240 is an apocalyptic number.

29530766240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29530766240 is an abundant number, since it is smaller than the sum of its proper divisors (40305194920).

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

29530766240 is a wasteful number, since it uses less digits than its factorization.

29530766240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183945 (or 183937 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 29530766240 in words is "twenty-nine billion, five hundred thirty million, seven hundred sixty-six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1009 2018 4036 5045 8072 10090 16144 20180 32288 40360 80720 161440 182921 365842 731684 914605 1463368 1829210 2926736 3658420 5853472 7316840 14633680 29267360 184567289 369134578 738269156 922836445 1476538312 1845672890 2953076624 3691345780 5906153248 7382691560 14765383120 29530766240