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2751332868 = 223276425913
BaseRepresentation
bin1010001111111110…
…0000001000000100
321002202010012011100
42203333200020010
521113320122433
61133002340100
7125115641424
oct24377401004
97082105140
102751332868
111192068119
126494ba630
1334b01a71b
141c1596484
15111824b13
hexa3fe0204

2751332868 has 18 divisors (see below), whose sum is σ = 6954758174. Its totient is φ = 917110944.

The previous prime is 2751332861. The next prime is 2751332897. The reversal of 2751332868 is 8682331572.

2751332868 is a `hidden beast` number, since 27 + 513 + 32 + 86 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1507924224 + 1243408644 = 38832^2 + 35262^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2751332861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38212921 + ... + 38212992.

Almost surely, 22751332868 is an apocalyptic number.

It is an amenable number.

2751332868 is an abundant number, since it is smaller than the sum of its proper divisors (4203425306).

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

2751332868 is a wasteful number, since it uses less digits than its factorization.

2751332868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76425923 (or 76425918 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 2751332868 is about 52453.1492667504. The cubic root of 2751332868 is about 1401.2459771662.

The spelling of 2751332868 in words is "two billion, seven hundred fifty-one million, three hundred thirty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 76425913 152851826 229277739 305703652 458555478 687833217 917110956 1375666434 2751332868