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4071420731 = 72471767877
BaseRepresentation
bin1111001010101100…
…1111001100111011
3101111202002121021102
43302223033030323
531314240430411
61512000402015
7202615335200
oct36253171473
911452077242
104071420731
1117aa235724
1295761630b
134cb669ac1
142a8a25ca7
1518c681d3b
hexf2acf33b

4071420731 has 12 divisors (see below), whose sum is σ = 4836914208. Its totient is φ = 3415536432.

The previous prime is 4071420713. The next prime is 4071420733. The reversal of 4071420731 is 1370241704.

It is not a de Polignac number, because 4071420731 - 226 = 4004311867 is a prime.

It is a super-2 number, since 2×40714207312 = 33152933537633148722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4071420694 and 4071420703.

It is not an unprimeable number, because it can be changed into a prime (4071420733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 881636 + ... + 886241.

It is an arithmetic number, because the mean of its divisors is an integer number (403076184).

Almost surely, 24071420731 is an apocalyptic number.

4071420731 is a deficient number, since it is larger than the sum of its proper divisors (765493477).

4071420731 is a wasteful number, since it uses less digits than its factorization.

4071420731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767938 (or 1767931 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 4071420731 is about 63807.6855167150. The cubic root of 4071420731 is about 1596.7931512186.

The spelling of 4071420731 in words is "four billion, seventy-one million, four hundred twenty thousand, seven hundred thirty-one".

Divisors: 1 7 47 49 329 2303 1767877 12375139 83090219 86625973 581631533 4071420731