Search a number
-
+
10128091682 = 25064045841
BaseRepresentation
bin10010110111010111…
…00110101000100010
3222010211210100212202
421123223212220202
5131220242413212
64353000053202
7505661234042
oct113353465042
928124710782
1010128091682
114328053205
121b67a64202
13c553b8477
146c1187722
153e42610c2
hex25bae6a22

10128091682 has 4 divisors (see below), whose sum is σ = 15192137526. Its totient is φ = 5064045840.

The previous prime is 10128091679. The next prime is 10128091703. The reversal of 10128091682 is 28619082101.

10128091682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28619082101 = 191506267479.

It can be written as a sum of positive squares in only one way, i.e., 6320091001 + 3808000681 = 79499^2 + 61709^2 .

It is a super-2 number, since 2×101280916822 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532022919 + ... + 2532022922.

Almost surely, 210128091682 is an apocalyptic number.

10128091682 is a deficient number, since it is larger than the sum of its proper divisors (5064045844).

10128091682 is an equidigital number, since it uses as much as digits as its factorization.

10128091682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064045843.

The product of its (nonzero) digits is 13824, while the sum is 38.

The spelling of 10128091682 in words is "ten billion, one hundred twenty-eight million, ninety-one thousand, six hundred eighty-two".

Divisors: 1 2 5064045841 10128091682