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7072606913 = 29761320477
BaseRepresentation
bin1101001011000111…
…10110101011000001
3200020220100122202012
412211203312223001
5103441041410123
63125450302305
7340160111141
oct64543665301
920226318665
107072606913
112aaa336289
121454727995
13889378208
144b145a921
152b5dac378
hex1a58f6ac1

7072606913 has 8 divisors (see below), whose sum is σ = 7326127080. Its totient is φ = 6819729280.

The previous prime is 7072606909. The next prime is 7072606963. The reversal of 7072606913 is 3196062707.

It can be written as a sum of positive squares in 4 ways, for example, as 1129430449 + 5943176464 = 33607^2 + 77092^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7072606913 - 22 = 7072606909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7072606903) by changing a digit.

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, 138170 + ... + 182307.

It is an arithmetic number, because the mean of its divisors is an integer number (915765885).

Almost surely, 27072606913 is an apocalyptic number.

It is an amenable number.

7072606913 is a deficient number, since it is larger than the sum of its proper divisors (253520167).

7072606913 is a wasteful number, since it uses less digits than its factorization.

7072606913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321267.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 7072606913 is about 84098.7925775394. The cubic root of 7072606913 is about 1919.5223523384.

The spelling of 7072606913 in words is "seven billion, seventy-two million, six hundred six thousand, nine hundred thirteen".

Divisors: 1 29 761 22069 320477 9293833 243882997 7072606913