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420525255274 = 21712368389861
BaseRepresentation
bin1100001111010010100…
…00100010101001101010
31111012110010110101000121
412013221100202221222
523342213431132044
6521104151353454
742245002456255
oct6075120425152
91435403411017
10420525255274
111523865a8493
126960108288a
1330869aa14c7
14164d413609c
15ae1381a984
hex61e9422a6a

420525255274 has 8 divisors (see below), whose sum is σ = 667893052548. Its totient is φ = 197894237760.

The previous prime is 420525255253. The next prime is 420525255277. The reversal of 420525255274 is 472552525024.

It can be written as a sum of positive squares in 2 ways, for example, as 325177079049 + 95348176225 = 570243^2 + 308785^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 420525255274.

It is not an unprimeable number, because it can be changed into a prime (420525255277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6184194897 + ... + 6184194964.

Almost surely, 2420525255274 is an apocalyptic number.

420525255274 is a deficient number, since it is larger than the sum of its proper divisors (247367797274).

420525255274 is a wasteful number, since it uses less digits than its factorization.

420525255274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12368389880.

The product of its (nonzero) digits is 1120000, while the sum is 43.

The spelling of 420525255274 in words is "four hundred twenty billion, five hundred twenty-five million, two hundred fifty-five thousand, two hundred seventy-four".

Divisors: 1 2 17 34 12368389861 24736779722 210262627637 420525255274