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4531420181 = 19958724877
BaseRepresentation
bin1000011100001011…
…11111110000010101
3102200210122222220002
410032011333300111
533240020421211
62025352021045
7220202302361
oct41605776025
912623588802
104531420181
111a15961062
12a65691785
13572a58022
1430db682a1
151b7c4803b
hex10e17fc15

4531420181 has 8 divisors (see below), whose sum is σ = 4770605280. Its totient is φ = 4292304048.

The previous prime is 4531420139. The next prime is 4531420211. The reversal of 4531420181 is 1810241354.

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 4531420181 - 222 = 4527225877 is a prime.

It is a super-2 number, since 2×45314201812 = 41067537713548145522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531420981) 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 7 ways as a sum of consecutive naturals, for example, 169715 + ... + 194591.

It is an arithmetic number, because the mean of its divisors is an integer number (596325660).

Almost surely, 24531420181 is an apocalyptic number.

It is an amenable number.

4531420181 is a deficient number, since it is larger than the sum of its proper divisors (239185099).

4531420181 is a wasteful number, since it uses less digits than its factorization.

4531420181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34483.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 4531420181 is about 67315.8241500466. The cubic root of 4531420181 is about 1654.7972029968.

The spelling of 4531420181 in words is "four billion, five hundred thirty-one million, four hundred twenty thousand, one hundred eighty-one".

Divisors: 1 19 9587 24877 182153 472663 238495799 4531420181