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10024443121 = 7111271025099
BaseRepresentation
bin10010101011000000…
…01101110011110001
3221212121202110210011
421111200031303301
5131012224134441
64334414334521
7503262234460
oct112540156361
927777673704
1010024443121
11428459a540
121b391ba441
13c39a98064
146b14c69d7
153da0da581
hex25580dcf1

10024443121 has 16 divisors (see below), whose sum is σ = 12596428800. Its totient is φ = 7749740880.

The previous prime is 10024443103. The next prime is 10024443127. The reversal of 10024443121 is 12134442001.

It is a happy number.

It is not a de Polignac number, because 10024443121 - 25 = 10024443089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10024443092 and 10024443101.

It is not an unprimeable number, because it can be changed into a prime (10024443127) 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, 502771 + ... + 522328.

It is an arithmetic number, because the mean of its divisors is an integer number (787276800).

Almost surely, 210024443121 is an apocalyptic number.

10024443121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10024443121 is a deficient number, since it is larger than the sum of its proper divisors (2571985679).

10024443121 is a wasteful number, since it uses less digits than its factorization.

10024443121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025244.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10024443121 its reverse (12134442001), we get a palindrome (22158885122).

The spelling of 10024443121 in words is "ten billion, twenty-four million, four hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 7 11 77 127 889 1397 9779 1025099 7175693 11276089 78932623 130187573 911313011 1432063303 10024443121