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10022243231 = 7111310199131
BaseRepresentation
bin10010101010101111…
…10100101110011111
3221212110121201002202
421111113310232133
5131011143240411
64334255242115
7503234443010
oct112527645637
927773551082
1010022243231
114283327750
121b3851933b
13c394a7950
146b10b3007
153d9d0383b
hex2555f4b9f

10022243231 has 32 divisors (see below), whose sum is σ = 13589807616. Its totient is φ = 7137360000.

The previous prime is 10022243183. The next prime is 10022243233. The reversal of 10022243231 is 13234222001.

It is a cyclic number.

It is not a de Polignac number, because 10022243231 - 214 = 10022226847 is a prime.

It is a super-2 number, since 2×100222432312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022243233) 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, 51536 + ... + 150666.

It is an arithmetic number, because the mean of its divisors is an integer number (424681488).

Almost surely, 210022243231 is an apocalyptic number.

10022243231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10022243231 is a deficient number, since it is larger than the sum of its proper divisors (3567564385).

10022243231 is a wasteful number, since it uses less digits than its factorization.

10022243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99263.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10022243231 its reverse (13234222001), we get a palindrome (23256465232).

The spelling of 10022243231 in words is "ten billion, twenty-two million, two hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 7 11 13 77 91 101 143 707 1001 1111 1313 7777 9191 14443 99131 101101 693917 1090441 1288703 7633087 9020921 10012231 14175733 70085617 99230131 110134541 130159003 770941787 911113021 1431749033 10022243231