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3123874894 = 27223133921
BaseRepresentation
bin1011101000110010…
…1000110001001110
322001201010021202011
42322030220301032
522344202444034
61233551251434
7140261332660
oct27214506116
98051107664
103123874894
111363389498
12732219b7a
133aa2670aa
14218c50530
151343b2864
hexba328c4e

3123874894 has 8 divisors (see below), whose sum is σ = 5355214128. Its totient is φ = 1338803520.

The previous prime is 3123874891. The next prime is 3123874907. The reversal of 3123874894 is 4984783213.

It is a happy number.

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

It is a super-2 number, since 2×31238748942 = 19517188706727022472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123874891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111566947 + ... + 111566974.

It is an arithmetic number, because the mean of its divisors is an integer number (669401766).

Almost surely, 23123874894 is an apocalyptic number.

3123874894 is a deficient number, since it is larger than the sum of its proper divisors (2231339234).

3123874894 is a wasteful number, since it uses less digits than its factorization.

3123874894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223133930.

The product of its digits is 1161216, while the sum is 49.

The square root of 3123874894 is about 55891.6352775619. The cubic root of 3123874894 is about 1461.8333904506.

The spelling of 3123874894 in words is "three billion, one hundred twenty-three million, eight hundred seventy-four thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 223133921 446267842 1561937447 3123874894