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10774230181 = 111394779561
BaseRepresentation
bin10100000100011000…
…11011010010100101
31000210212121121021021
422002030123102211
5134031200331211
64541041051141
7530665305541
oct120214332245
930725547237
1010774230181
114629854670
122108326ab1
131029219940
14742d00a21
15430d44771
hex28231b4a5

10774230181 has 16 divisors (see below), whose sum is σ = 12671362368. Its totient is φ = 9031651200.

The previous prime is 10774230167. The next prime is 10774230209. The reversal of 10774230181 is 18103247701.

It is not a de Polignac number, because 10774230181 - 27 = 10774230053 is a prime.

It is a super-2 number, since 2×107742301812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10774230161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95641 + ... + 175201.

It is an arithmetic number, because the mean of its divisors is an integer number (791960148).

Almost surely, 210774230181 is an apocalyptic number.

10774230181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10774230181 is a deficient number, since it is larger than the sum of its proper divisors (1897132187).

10774230181 is a wasteful number, since it uses less digits than its factorization.

10774230181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80532.

The product of its (nonzero) digits is 9408, while the sum is 34.

Adding to 10774230181 its reverse (18103247701), we get a palindrome (28877477882).

The spelling of 10774230181 in words is "ten billion, seven hundred seventy-four million, two hundred thirty thousand, one hundred eighty-one".

Divisors: 1 11 13 143 947 10417 12311 79561 135421 875171 1034293 11377223 75344267 828786937 979475471 10774230181