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10771407381 = 37571898291
BaseRepresentation
bin10100000100000011…
…01010001000010101
31000210200022012010010
422002001222020111
5134024440014011
64540500350433
7530632311030
oct120201521025
930720265103
1010771407381
1146281a6879
1221073a5419
13102876bb47
147427a8017
154309881a6
hex28206a215

10771407381 has 16 divisors (see below), whose sum is σ = 16442336768. Its totient is φ = 6144303600.

The previous prime is 10771407379. The next prime is 10771407431. The reversal of 10771407381 is 18370417701.

It is a happy number.

It is not a de Polignac number, because 10771407381 - 21 = 10771407379 is a prime.

It is a super-2 number, since 2×107714073812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10771402381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437155 + ... + 461136.

It is an arithmetic number, because the mean of its divisors is an integer number (1027646048).

Almost surely, 210771407381 is an apocalyptic number.

It is an amenable number.

10771407381 is a deficient number, since it is larger than the sum of its proper divisors (5670929387).

10771407381 is an equidigital number, since it uses as much as digits as its factorization.

10771407381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898872.

The product of its (nonzero) digits is 32928, while the sum is 39.

The spelling of 10771407381 in words is "ten billion, seven hundred seventy-one million, four hundred seven thousand, three hundred eighty-one".

Divisors: 1 3 7 21 571 1713 3997 11991 898291 2694873 6288037 18864111 512924161 1538772483 3590469127 10771407381