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2769875381 = 72134348313
BaseRepresentation
bin1010010100011000…
…1111000110110101
321011001000020201002
42211012033012311
521133042003011
61134504013045
7125432360300
oct24506170665
97131006632
102769875381
1111a1582409
12653761185
13351b10620
141c3c21b37
15113288c3b
hexa518f1b5

2769875381 has 12 divisors (see below), whose sum is σ = 3469954572. Its totient is φ = 2191549248.

The previous prime is 2769875377. The next prime is 2769875387. The reversal of 2769875381 is 1835789672.

2769875381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 108347281 + 2661528100 = 10409^2 + 51590^2 .

It is not a de Polignac number, because 2769875381 - 22 = 2769875377 is a prime.

It is a super-2 number, since 2×27698753812 = 15344419252539790322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2769875387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2173520 + ... + 2174793.

It is an arithmetic number, because the mean of its divisors is an integer number (289162881).

Almost surely, 22769875381 is an apocalyptic number.

It is an amenable number.

2769875381 is a deficient number, since it is larger than the sum of its proper divisors (700079191).

2769875381 is a wasteful number, since it uses less digits than its factorization.

2769875381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348340 (or 4348333 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 56.

The square root of 2769875381 is about 52629.6055561886. The cubic root of 2769875381 is about 1404.3868148254.

The spelling of 2769875381 in words is "two billion, seven hundred sixty-nine million, eight hundred seventy-five thousand, three hundred eighty-one".

Divisors: 1 7 13 49 91 637 4348313 30438191 56528069 213067337 395696483 2769875381