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13231322012033 = 91191714509349
BaseRepresentation
bin1100000010001010100000…
…1111111001100110000001
31201211220100120200021201122
43000202220033321212001
53213240221413341113
644050215130042025
72533634331303626
oct300425017714601
951756316607648
1013231322012033
114241410377154
12159839ab79315
1374c929213808
1433a583d6234d
1517e29c822408
hexc08a83f9981

13231322012033 has 4 divisors (see below), whose sum is σ = 13231337433300. Its totient is φ = 13231306590768.

The previous prime is 13231322012003. The next prime is 13231322012057. The reversal of 13231322012033 is 33021022313231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8871444379009 + 4359877633024 = 2978497^2 + 2088032^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231322012033 - 226 = 13231254903169 is a prime.

It is a super-2 number, since 2×132313220120332 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13231322011993 and 13231322012011.

It is not an unprimeable number, because it can be changed into a prime (13231322012003) 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, 6342758 + ... + 8166591.

It is an arithmetic number, because the mean of its divisors is an integer number (3307834358325).

Almost surely, 213231322012033 is an apocalyptic number.

It is an amenable number.

13231322012033 is a deficient number, since it is larger than the sum of its proper divisors (15421267).

13231322012033 is an equidigital number, since it uses as much as digits as its factorization.

13231322012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15421266.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 13231322012033 its reverse (33021022313231), we get a palindrome (46252344325264).

The spelling of 13231322012033 in words is "thirteen trillion, two hundred thirty-one billion, three hundred twenty-two million, twelve thousand, thirty-three".

Divisors: 1 911917 14509349 13231322012033