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420375524313 = 3140125174771
BaseRepresentation
bin1100001111000000101…
…01010111001111011001
31111012001200201020202110
412013200111113033121
523341412113234223
6521041242222533
742241203666663
oct6074025271731
91435050636673
10420375524313
1115230a02a398
126957aab4a49
1330844a67bc4
14164bc2bb533
15ae055e0d93
hex61e05573d9

420375524313 has 4 divisors (see below), whose sum is σ = 560500699088. Its totient is φ = 280250349540.

The previous prime is 420375524263. The next prime is 420375524321. The reversal of 420375524313 is 313425573024.

It is a happy number.

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 not a de Polignac number, because 420375524313 - 26 = 420375524249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420375024313) 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, 70062587383 + ... + 70062587388.

It is an arithmetic number, because the mean of its divisors is an integer number (140125174772).

Almost surely, 2420375524313 is an apocalyptic number.

It is an amenable number.

420375524313 is a deficient number, since it is larger than the sum of its proper divisors (140125174775).

420375524313 is a wasteful number, since it uses less digits than its factorization.

420375524313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140125174774.

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 420375524313 in words is "four hundred twenty billion, three hundred seventy-five million, five hundred twenty-four thousand, three hundred thirteen".

Divisors: 1 3 140125174771 420375524313