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42591241201 = 411038810761
BaseRepresentation
bin100111101010101000…
…101100001111110001
311001221020221020011211
4213222220230033301
51144211324204301
631322142040121
73035310401605
oct475250541761
9131836836154
1042591241201
11170767109a3
128307879041
134029b79892
1420c07ad505
151194237051
hex9eaa2c3f1

42591241201 has 4 divisors (see below), whose sum is σ = 43630052004. Its totient is φ = 41552430400.

The previous prime is 42591241177. The next prime is 42591241211. The reversal of 42591241201 is 10214219524.

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 11481336801 + 31109904400 = 107151^2 + 176380^2 .

It is a cyclic number.

It is not a de Polignac number, because 42591241201 - 25 = 42591241169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42591241211) 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, 519405340 + ... + 519405421.

It is an arithmetic number, because the mean of its divisors is an integer number (10907513001).

Almost surely, 242591241201 is an apocalyptic number.

42591241201 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42591241201 is a deficient number, since it is larger than the sum of its proper divisors (1038810803).

42591241201 is a wasteful number, since it uses less digits than its factorization.

42591241201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038810802.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 42591241201 in words is "forty-two billion, five hundred ninety-one million, two hundred forty-one thousand, two hundred one".

Divisors: 1 41 1038810761 42591241201