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2948742681 = 34795413793
BaseRepresentation
bin1010111111000010…
…0011111000011001
321121111120122111220
42233300203320121
522014334231211
61204333442253
7133033620303
oct25760437031
97544518456
102948742681
111283541025
126a3640389
1337cba8a71
141dd8a2973
15123d1b806
hexafc23e19

2948742681 has 16 divisors (see below), whose sum is σ = 3948188160. Its totient is φ = 1957582080.

The previous prime is 2948742637. The next prime is 2948742683. The reversal of 2948742681 is 1862478492.

It is not a de Polignac number, because 2948742681 - 26 = 2948742617 is a prime.

It is a super-2 number, since 2×29487426812 = 17390166797502135522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2948742683) 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 15 ways as a sum of consecutive naturals, for example, 775521 + ... + 779313.

It is an arithmetic number, because the mean of its divisors is an integer number (246761760).

Almost surely, 22948742681 is an apocalyptic number.

It is an amenable number.

2948742681 is a deficient number, since it is larger than the sum of its proper divisors (999445479).

2948742681 is a wasteful number, since it uses less digits than its factorization.

2948742681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816.

The product of its digits is 1548288, while the sum is 51.

The square root of 2948742681 is about 54302.3266628604. The cubic root of 2948742681 is about 1433.9883574661.

The spelling of 2948742681 in words is "two billion, nine hundred forty-eight million, seven hundred forty-two thousand, six hundred eighty-one".

Divisors: 1 3 479 541 1437 1623 3793 11379 259139 777417 1816847 2052013 5450541 6156039 982914227 2948742681