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10923428681 = 1119596831297
BaseRepresentation
bin10100010110001011…
…00100101101001001
31001012021100200010122
422023011210231021
5134332344204211
65003530553025
7534456416564
oct121305445511
931167320118
1010923428681
1146a5a99710
12214a298775
1310510c7a89
14758a5b4db
1543deb66db
hex28b164b49

10923428681 has 32 divisors (see below), whose sum is σ = 12784780800. Its totient is φ = 9227623680.

The previous prime is 10923428651. The next prime is 10923428687. The reversal of 10923428681 is 18682432901.

It is a happy number.

It is not a de Polignac number, because 10923428681 - 210 = 10923427657 is a prime.

It is a super-2 number, since 2×109234286812 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10923428687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8421425 + ... + 8422721.

It is an arithmetic number, because the mean of its divisors is an integer number (399524400).

Almost surely, 210923428681 is an apocalyptic number.

10923428681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10923428681 is a deficient number, since it is larger than the sum of its proper divisors (1861352119).

10923428681 is a wasteful number, since it uses less digits than its factorization.

10923428681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 10923428681 in words is "ten billion, nine hundred twenty-three million, four hundred twenty-eight thousand, six hundred eighty-one".

Divisors: 1 11 19 59 209 649 683 1121 1297 7513 12331 12977 14267 24643 40297 76523 142747 271073 443267 765643 841753 885851 1453937 8422073 9744361 15993307 16831169 52265209 185142859 574917299 993038971 10923428681