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7128676970 = 254117387017
BaseRepresentation
bin1101010001110011…
…01111101001101010
3200101210212022101222
412220321233221222
5104044420130340
63135212142042
7341440516532
oct65071575152
920353768358
107128676970
113028a52578
12146b467922
13897b7a46c
144b8a944c2
152bac858b5
hex1a8e6fa6a

7128676970 has 16 divisors (see below), whose sum is σ = 13144585608. Its totient is φ = 2781922560.

The previous prime is 7128676949. The next prime is 7128676993. The reversal of 7128676970 is 796768217.

It can be written as a sum of positive squares in 4 ways, for example, as 2637130609 + 4491546361 = 51353^2 + 67019^2 .

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8693099 + ... + 8693918.

Almost surely, 27128676970 is an apocalyptic number.

7128676970 is a deficient number, since it is larger than the sum of its proper divisors (6015908638).

7128676970 is a wasteful number, since it uses less digits than its factorization.

7128676970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17387065.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 7128676970 is about 84431.4927618836. The cubic root of 7128676970 is about 1924.5815221214.

The spelling of 7128676970 in words is "seven billion, one hundred twenty-eight million, six hundred seventy-six thousand, nine hundred seventy".

Divisors: 1 2 5 10 41 82 205 410 17387017 34774034 86935085 173870170 712867697 1425735394 3564338485 7128676970