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2100023494 = 21181889087
BaseRepresentation
bin111110100101011…
…1101000011000110
312102100120020122221
41331022331003012
513300101222434
6544214442554
7103016622322
oct17512750306
95370506587
102100023494
11988454808
124a736345a
132760c876a
1415cc94982
15c456e2b4
hex7d2bd0c6

2100023494 has 8 divisors (see below), whose sum is σ = 3152706048. Its totient is φ = 1049121480.

The previous prime is 2100023479. The next prime is 2100023501. The reversal of 2100023494 is 4943200012.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 442182 + ... + 446905.

It is an arithmetic number, because the mean of its divisors is an integer number (394088256).

Almost surely, 22100023494 is an apocalyptic number.

2100023494 is a deficient number, since it is larger than the sum of its proper divisors (1052682554).

2100023494 is a wasteful number, since it uses less digits than its factorization.

2100023494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890270.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2100023494 is about 45826.0132893971. The cubic root of 2100023494 is about 1280.5839405136.

The spelling of 2100023494 in words is "two billion, one hundred million, twenty-three thousand, four hundred ninety-four".

Divisors: 1 2 1181 2362 889087 1778174 1050011747 2100023494