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10232111321 = 60291697149
BaseRepresentation
bin10011000011110000…
…11010000011011001
3222102002112002222222
421201320122003121
5131423410030241
64411153353425
7511363340225
oct114170320331
928362462888
1010232111321
11438083a753
121b96868875
13c70b08753
146d0d03785
153ed45ba4b
hex261e1a0d9

10232111321 has 4 divisors (see below), whose sum is σ = 10233814500. Its totient is φ = 10230408144.

The previous prime is 10232111299. The next prime is 10232111339. The reversal of 10232111321 is 12311123201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12311123201 = 13947009477.

It can be written as a sum of positive squares in 2 ways, for example, as 8429259721 + 1802851600 = 91811^2 + 42460^2 .

It is a cyclic number.

It is not a de Polignac number, because 10232111321 - 26 = 10232111257 is a prime.

It is a super-2 number, since 2×102321113212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10232111321.

It is not an unprimeable number, because it can be changed into a prime (10232111341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842546 + ... + 854603.

It is an arithmetic number, because the mean of its divisors is an integer number (2558453625).

Almost surely, 210232111321 is an apocalyptic number.

It is an amenable number.

10232111321 is a deficient number, since it is larger than the sum of its proper divisors (1703179).

10232111321 is an equidigital number, since it uses as much as digits as its factorization.

10232111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703178.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10232111321 its reverse (12311123201), we get a palindrome (22543234522).

The spelling of 10232111321 in words is "ten billion, two hundred thirty-two million, one hundred eleven thousand, three hundred twenty-one".

Divisors: 1 6029 1697149 10232111321