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2094391031 = 31371939461
BaseRepresentation
bin111110011010101…
…1101111011110111
312101221222002101012
41330311131323313
513242131003111
6543454022435
7102621013205
oct17465357367
95357862335
102094391031
11985257a87
124a54a7a1b
13274ba5b45
1415c22a075
15c3d0a48b
hex7cd5def7

2094391031 has 16 divisors (see below), whose sum is σ = 2232123648. Its totient is φ = 1961625600.

The previous prime is 2094391021. The next prime is 2094391037. The reversal of 2094391031 is 1301934902.

It is a cyclic number.

It is not a de Polignac number, because 2094391031 - 26 = 2094390967 is a prime.

It is a super-2 number, since 2×20943910312 = 8772947581466485922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2094391037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216641 + ... + 226101.

It is an arithmetic number, because the mean of its divisors is an integer number (139507728).

Almost surely, 22094391031 is an apocalyptic number.

2094391031 is a deficient number, since it is larger than the sum of its proper divisors (137732617).

2094391031 is a wasteful number, since it uses less digits than its factorization.

2094391031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9722.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 2094391031 is about 45764.5171612244. The cubic root of 2094391031 is about 1279.4380327307.

The spelling of 2094391031 in words is "two billion, ninety-four million, three hundred ninety-one thousand, thirty-one".

Divisors: 1 31 37 193 1147 5983 7141 9461 221371 293291 350057 1825973 10851767 56605163 67561001 2094391031