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420310244032431 = 3643332177784569
BaseRepresentation
bin101111110010001010001101…
…0110010100111111110101111
32001010012021012120121102020020
41133210110122302213332233
5420042330334433014211
64045531505511253223
7154350261445510434
oct13744243262477657
92033167176542206
10420310244032431
11111a18634322135
123b182b3637a213
131506b116a80c2c
1475b11a5331b8b
15338d379b87306
hex17e451aca7faf

420310244032431 has 8 divisors (see below), whose sum is σ = 560422370105520. Its totient is φ = 280202473657152.

The previous prime is 420310244032421. The next prime is 420310244032457. The reversal of 420310244032431 is 134230442013024.

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

It is not a de Polignac number, because 420310244032431 - 210 = 420310244031407 is a prime.

It is a super-2 number, since 2×4203102440324312 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420310244032392 and 420310244032401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420310244032421) 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, 1088699286 + ... + 1089085283.

It is an arithmetic number, because the mean of its divisors is an integer number (70052796263190).

Almost surely, 2420310244032431 is an apocalyptic number.

420310244032431 is a deficient number, since it is larger than the sum of its proper divisors (140112126073089).

420310244032431 is a wasteful number, since it uses less digits than its factorization.

420310244032431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177848905.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 420310244032431 its reverse (134230442013024), we get a palindrome (554540686045455).

The spelling of 420310244032431 in words is "four hundred twenty trillion, three hundred ten billion, two hundred forty-four million, thirty-two thousand, four hundred thirty-one".

Divisors: 1 3 64333 192999 2177784569 6533353707 140103414677477 420310244032431