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421824265050205 = 5289033291886577
BaseRepresentation
bin101111111101001011001110…
…1011110011101100001011101
32001022120000011022021001111101
41133322112131132131201131
5420242132043323101310
64053051220412153101
7154564540344023023
oct13772263536354135
92038500138231441
10421824265050205
11112451736759716
123b388450a68791
131514ab1bc54b54
147624590b86713
1533b793ce1743a
hex17fa59d79d85d

421824265050205 has 8 divisors (see below), whose sum is σ = 506190871113912. Its totient is φ = 337458243337728.

The previous prime is 421824265050047. The next prime is 421824265050211. The reversal of 421824265050205 is 502050562428124.

It can be written as a sum of positive squares in 4 ways, for example, as 14299485109156 + 407524779941049 = 3781466^2 + 20187243^2 .

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 421824265050205 - 215 = 421824265017437 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 (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144498124 + ... + 147388453.

It is an arithmetic number, because the mean of its divisors is an integer number (63273858889239).

Almost surely, 2421824265050205 is an apocalyptic number.

It is an amenable number.

421824265050205 is a deficient number, since it is larger than the sum of its proper divisors (84366606063707).

421824265050205 is a wasteful number, since it uses less digits than its factorization.

421824265050205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292175615.

The product of its (nonzero) digits is 1536000, while the sum is 46.

The spelling of 421824265050205 in words is "four hundred twenty-one trillion, eight hundred twenty-four billion, two hundred sixty-five million, fifty thousand, two hundred five".

Divisors: 1 5 289033 1445165 291886577 1459432885 84364853010041 421824265050205