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145515431450413 = 179049994583711
BaseRepresentation
bin100001000101100001110011…
…100110011101011100101101
3201002020010202121120021122101
4201011201303212131130231
5123033111100422403123
61233252511044215101
742436100021061133
oct4105416346353455
9632203677507571
10145515431450413
1142402825524302
12143a1a4769a491
13632707a97227b
1427d0dad50b753
1511c52cc47caad
hex84587399d72d

145515431450413 has 8 divisors (see below), whose sum is σ = 154076866848000. Its totient is φ = 136954185401280.

The previous prime is 145515431450357. The next prime is 145515431450429. The reversal of 145515431450413 is 314054134515541.

145515431450413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145515431450413 - 217 = 145515431319341 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 (145515431450713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45753373 + ... + 48830338.

It is an arithmetic number, because the mean of its divisors is an integer number (19259608356000).

Almost surely, 2145515431450413 is an apocalyptic number.

It is an amenable number.

145515431450413 is a deficient number, since it is larger than the sum of its proper divisors (8561435397587).

145515431450413 is an equidigital number, since it uses as much as digits as its factorization.

145515431450413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94674227.

The product of its (nonzero) digits is 1440000, while the sum is 46.

Adding to 145515431450413 its reverse (314054134515541), we get a palindrome (459569565965954).

The spelling of 145515431450413 in words is "one hundred forty-five trillion, five hundred fifteen billion, four hundred thirty-one million, four hundred fifty thousand, four hundred thirteen".

Divisors: 1 17 90499 1538483 94583711 1607923087 8559731261789 145515431450413