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2939103861 = 329158321341
BaseRepresentation
bin1010111100101111…
…0010101001110101
321120211102221112120
42233023302221311
522004402310421
61203351110153
7132555653631
oct25713625165
97524387476
102939103861
111279058261
126a0372359
1337abb2715
141dc4b3dc1
151230658c6
hexaf2f2a75

2939103861 has 16 divisors (see below), whose sum is σ = 4056687360. Its totient is φ = 1890553280.

The previous prime is 2939103851. The next prime is 2939103887. The reversal of 2939103861 is 1683019392.

It is a cyclic number.

It is not a de Polignac number, because 2939103861 - 213 = 2939095669 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939103841) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 127051 + ... + 148391.

It is an arithmetic number, because the mean of its divisors is an integer number (253542960).

Almost surely, 22939103861 is an apocalyptic number.

It is an amenable number.

2939103861 is a deficient number, since it is larger than the sum of its proper divisors (1117583499).

2939103861 is a wasteful number, since it uses less digits than its factorization.

2939103861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22956.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 2939103861 is about 54213.5025708541. The cubic root of 2939103861 is about 1432.4241830680.

The spelling of 2939103861 in words is "two billion, nine hundred thirty-nine million, one hundred three thousand, eight hundred sixty-one".

Divisors: 1 3 29 87 1583 4749 21341 45907 64023 137721 618889 1856667 33782803 101348409 979701287 2939103861