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10231330111 = 71732577681
BaseRepresentation
bin10011000011101010…
…11011010100111111
3222102001001102101021
421201311123110333
5131423210030421
64411124525011
7511353604522
oct114165332477
928361042337
1010231330111
114380356822
121b96550767
13c708c3cb2
146d0b7cbb9
153ed355341
hex261d5b53f

10231330111 has 16 divisors (see below), whose sum is σ = 10559861568. Its totient is φ = 9909043200.

The previous prime is 10231330091. The next prime is 10231330127. The reversal of 10231330111 is 11103313201.

It is a cyclic number.

It is not a de Polignac number, because 10231330111 - 25 = 10231330079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231730111) 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, 1328191 + ... + 1335871.

It is an arithmetic number, because the mean of its divisors is an integer number (659991348).

Almost surely, 210231330111 is an apocalyptic number.

10231330111 is a deficient number, since it is larger than the sum of its proper divisors (328531457).

10231330111 is an equidigital number, since it uses as much as digits as its factorization.

10231330111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10231330111 its reverse (11103313201), we get a palindrome (21334643312).

The spelling of 10231330111 in words is "ten billion, two hundred thirty-one million, three hundred thirty thousand, one hundred eleven".

Divisors: 1 71 73 257 5183 7681 18247 18761 545351 560713 1332031 1974017 39810623 140155207 144103241 10231330111