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42724023341 = 54497840709
BaseRepresentation
bin100111110010100011…
…001101110000101101
311002021111210021000212
4213302203031300231
51144444322221331
631343244032205
73041512130546
oct476243156055
9132244707025
1042724023341
11171346630aa
128344232665
13404b52a7ac
1420d42954cd
1511a0c14d2b
hex9f28cdc2d

42724023341 has 4 divisors (see below), whose sum is σ = 42731869500. Its totient is φ = 42716177184.

The previous prime is 42724023337. The next prime is 42724023343. The reversal of 42724023341 is 14332042724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5332066441 + 37391956900 = 73021^2 + 193370^2 .

It is a cyclic number.

It is not a de Polignac number, because 42724023341 - 22 = 42724023337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42724023298 and 42724023307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42724023343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3914906 + ... + 3925803.

It is an arithmetic number, because the mean of its divisors is an integer number (10682967375).

Almost surely, 242724023341 is an apocalyptic number.

It is an amenable number.

42724023341 is a deficient number, since it is larger than the sum of its proper divisors (7846159).

42724023341 is an equidigital number, since it uses as much as digits as its factorization.

42724023341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846158.

The product of its (nonzero) digits is 32256, while the sum is 32.

The spelling of 42724023341 in words is "forty-two billion, seven hundred twenty-four million, twenty-three thousand, three hundred forty-one".

Divisors: 1 5449 7840709 42724023341