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452640065405 = 51164312799097
BaseRepresentation
bin1101001011000110111…
…00110100011101111101
31121021100021010202111212
412211203130310131331
524404001324043110
6543535011254205
744462562034313
oct6454334643575
91537307122455
10452640065405
11164a66575690
12738842aa365
13338b733b538
1417c9d3a40b3
15bb92e34e05
hex696373477d

452640065405 has 16 divisors (see below), whose sum is σ = 593468576064. Its totient is φ = 328680785280.

The previous prime is 452640065347. The next prime is 452640065411. The reversal of 452640065405 is 504560046254.

It is not a de Polignac number, because 452640065405 - 214 = 452640049021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6364184 + ... + 6434913.

It is an arithmetic number, because the mean of its divisors is an integer number (37091786004).

Almost surely, 2452640065405 is an apocalyptic number.

It is an amenable number.

452640065405 is a deficient number, since it is larger than the sum of its proper divisors (140828510659).

452640065405 is a wasteful number, since it uses less digits than its factorization.

452640065405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12799756.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 452640065405 in words is "four hundred fifty-two billion, six hundred forty million, sixty-five thousand, four hundred five".

Divisors: 1 5 11 55 643 3215 7073 35365 12799097 63995485 140790067 703950335 8229819371 41149096855 90528013081 452640065405