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5111723844 = 2232909115619
BaseRepresentation
bin1001100001010111…
…01011011101000100
3111012020121110212100
410300223223131010
540432100130334
62203121552100
7240446635653
oct46053533504
914166543770
105111723844
112193486867
12ba7aa5630
13636048786
14366c6519a
151edb74c99
hex130aeb744

5111723844 has 36 divisors (see below), whose sum is σ = 12923550640. Its totient is φ = 1703611440.

The previous prime is 5111723801. The next prime is 5111723867. The reversal of 5111723844 is 4483271115.

5111723844 is a `hidden beast` number, since 511 + 1 + 72 + 38 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×51117238442 = 52259441314636272672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5111723799 and 5111723808.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319467 + ... + 335085.

Almost surely, 25111723844 is an apocalyptic number.

It is an amenable number.

5111723844 is an abundant number, since it is smaller than the sum of its proper divisors (7811826796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5111723844 is a wasteful number, since it uses less digits than its factorization.

5111723844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24720 (or 24715 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 5111723844 is about 71496.3204927358. The cubic root of 5111723844 is about 1722.6185825734.

Adding to 5111723844 its reverse (4483271115), we get a palindrome (9594994959).

The spelling of 5111723844 in words is "five billion, one hundred eleven million, seven hundred twenty-three thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 9091 15619 18182 27273 31238 36364 46857 54546 62476 81819 93714 109092 140571 163638 187428 281142 327276 562284 141992329 283984658 425976987 567969316 851953974 1277930961 1703907948 2555861922 5111723844