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102440012033 = 259139536863
BaseRepresentation
bin101111101100111100…
…1101000100100000001
3100210102012221210111202
41133121321220210001
53134244120341113
6115021004550545
710254362510132
oct1373171504401
9323365853452
10102440012033
113a498797277
1217a2ab52455
139877197548
144d5b137c89
1529e8566258
hex17d9e68901

102440012033 has 4 divisors (see below), whose sum is σ = 102479551488. Its totient is φ = 102400472580.

The previous prime is 102440012011. The next prime is 102440012053. The reversal of 102440012033 is 330210044201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102440012033 - 28 = 102440011777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102440011996 and 102440012014.

It is not an unprimeable number, because it can be changed into a prime (102440012053) 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, 19765841 + ... + 19771022.

It is an arithmetic number, because the mean of its divisors is an integer number (25619887872).

Almost surely, 2102440012033 is an apocalyptic number.

It is an amenable number.

102440012033 is a deficient number, since it is larger than the sum of its proper divisors (39539455).

102440012033 is an equidigital number, since it uses as much as digits as its factorization.

102440012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39539454.

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

Adding to 102440012033 its reverse (330210044201), we get a palindrome (432650056234).

The spelling of 102440012033 in words is "one hundred two billion, four hundred forty million, twelve thousand, thirty-three".

Divisors: 1 2591 39536863 102440012033