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5111126081 = 39728194567
BaseRepresentation
bin1001100001010010…
…11001100001000001
3111012012111002212222
410300221121201001
540431422013311
62203101100425
7240441566135
oct46051314101
914165432788
105111126081
112193108746
12ba7857715
13635b99679
14366b4b3c5
151edaa7adb
hex130a59841

5111126081 has 8 divisors (see below), whose sum is σ = 5126940480. Its totient is φ = 5095327248.

The previous prime is 5111126047. The next prime is 5111126089. The reversal of 5111126081 is 1806211115.

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

It is a cyclic number.

It is not a de Polignac number, because 5111126081 - 210 = 5111125057 is a prime.

It is a super-2 number, since 2×51111260812 = 52247219631756837122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5111126081.

It is not an unprimeable number, because it can be changed into a prime (5111126089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116860 + ... + 1121426.

It is an arithmetic number, because the mean of its divisors is an integer number (640867560).

Almost surely, 25111126081 is an apocalyptic number.

It is an amenable number.

5111126081 is a deficient number, since it is larger than the sum of its proper divisors (15814399).

5111126081 is a wasteful number, since it uses less digits than its factorization.

5111126081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783.

The product of its (nonzero) digits is 480, while the sum is 26.

The square root of 5111126081 is about 71492.1399945477. The cubic root of 5111126081 is about 1722.5514325066.

Adding to 5111126081 its reverse (1806211115), we get a palindrome (6917337196).

The spelling of 5111126081 in words is "five billion, one hundred eleven million, one hundred twenty-six thousand, eighty-one".

Divisors: 1 397 2819 4567 1119143 1813099 12874373 5111126081