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145204252500001 = 518931321893429
BaseRepresentation
bin100001000000111111111111…
…111000111110000000100001
3201001010101120000110201211211
4201000333333320332000201
5123013011302120000001
61232453525051310121
742404442511455352
oct4100777770760041
9631111500421754
10145204252500001
11422a2861084112
121435168244b341
136303918b21b06
1427bdccd835d29
1511bc168682351
hex840fffe3e021

145204252500001 has 8 divisors (see below), whose sum is σ = 145237035047400. Its totient is φ = 145171471812480.

The previous prime is 145204252499989. The next prime is 145204252500017. The reversal of 145204252500001 is 100005252402541.

145204252500001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 52501632131601 + 92702620368400 = 7245801^2 + 9628220^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145204252500001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145204252507001) 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, 162077955 + ... + 162971383.

It is an arithmetic number, because the mean of its divisors is an integer number (18154629380925).

Almost surely, 2145204252500001 is an apocalyptic number.

It is an amenable number.

145204252500001 is a deficient number, since it is larger than the sum of its proper divisors (32782547399).

145204252500001 is an equidigital number, since it uses as much as digits as its factorization.

145204252500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929939.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 145204252500001 in words is "one hundred forty-five trillion, two hundred four billion, two hundred fifty-two million, five hundred thousand, one".

Divisors: 1 5189 31321 893429 162524669 4636003081 27983089709 145204252500001