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30797442064 = 247326012
BaseRepresentation
bin11100101011101010…
…111010110000010000
32221111022211011020101
4130223222322300100
51001033121121224
622052000022144
72140121636554
oct345352726020
987438734211
1030797442064
1112074398064
125b76001954
132b9a6608cc
1416c2309864
15c03b48044
hex72babac10

30797442064 has 45 divisors (see below), whose sum is σ = 60599469879. Its totient is φ = 15162508800.

The previous prime is 30797442059. The next prime is 30797442113. The reversal of 30797442064 is 46024479703.

The square root of 30797442064 is 175492.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5646019600 + 25151422464 = 75140^2 + 158592^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 51243364 + ... + 51243964.

Almost surely, 230797442064 is an apocalyptic number.

30797442064 is the 175492-nd square number.

It is an amenable number.

30797442064 is a deficient number, since it is larger than the sum of its proper divisors (29802027815).

30797442064 is an frugal number, since it uses more digits than its factorization.

30797442064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 30797442064 in words is "thirty billion, seven hundred ninety-seven million, four hundred forty-two thousand, sixty-four".

Divisors: 1 2 4 8 16 73 146 292 584 601 1168 1202 2404 4808 5329 9616 10658 21316 42632 43873 85264 87746 175492 350984 361201 701968 722402 1444804 2889608 3202729 5779216 6405458 12810916 25621832 26367673 51243664 52735346 105470692 210941384 421882768 1924840129 3849680258 7699360516 15398721032 30797442064