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2747125081 = 17359450127
BaseRepresentation
bin1010001110111101…
…1100110101011001
321002110012102011101
42203233130311121
521111231000311
61132332231401
7125035115011
oct24357346531
97073172141
102747125081
11118a753808
1264800b561
1334a1a63cc
141c0bbcc41
15111292ec1
hexa3bdcd59

2747125081 has 8 divisors (see below), whose sum is σ = 2916829440. Its totient is φ = 2578321728.

The previous prime is 2747125049. The next prime is 2747125111. The reversal of 2747125081 is 1805217472.

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

It is not a de Polignac number, because 2747125081 - 25 = 2747125049 is a prime.

It is a super-2 number, since 2×27471250812 = 15093392421318513122, 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 2747125081.

It is not an unprimeable number, because it can be changed into a prime (2747125001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218961 + ... + 231166.

It is an arithmetic number, because the mean of its divisors is an integer number (364603680).

Almost surely, 22747125081 is an apocalyptic number.

It is an amenable number.

2747125081 is a deficient number, since it is larger than the sum of its proper divisors (169704359).

2747125081 is a wasteful number, since it uses less digits than its factorization.

2747125081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450503.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 2747125081 is about 52413.0239635150. The cubic root of 2747125081 is about 1400.5312747259.

The spelling of 2747125081 in words is "two billion, seven hundred forty-seven million, one hundred twenty-five thousand, eighty-one".

Divisors: 1 17 359 6103 450127 7652159 161595593 2747125081