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42280480747 = 44519499097
BaseRepresentation
bin100111011000000111…
…001110111111101011
311001010121011221222101
4213120013032333223
51143042300340442
631231241234231
73024515104501
oct473007167753
9131117157871
1042280480747
1116a27257a7a
12823b792977
133caa68205b
1420913d8671
151176ceecb7
hex9d81cefeb

42280480747 has 4 divisors (see below), whose sum is σ = 42289984296. Its totient is φ = 42270977200.

The previous prime is 42280480667. The next prime is 42280480763. The reversal of 42280480747 is 74708408224.

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

It is a cyclic number.

It is not a de Polignac number, because 42280480747 - 211 = 42280478699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42280480697 and 42280480706.

It is not an unprimeable number, because it can be changed into a prime (42280489747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4745098 + ... + 4753999.

It is an arithmetic number, because the mean of its divisors is an integer number (10572496074).

Almost surely, 242280480747 is an apocalyptic number.

42280480747 is a deficient number, since it is larger than the sum of its proper divisors (9503549).

42280480747 is an equidigital number, since it uses as much as digits as its factorization.

42280480747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9503548.

The product of its (nonzero) digits is 802816, while the sum is 46.

The spelling of 42280480747 in words is "forty-two billion, two hundred eighty million, four hundred eighty thousand, seven hundred forty-seven".

Divisors: 1 4451 9499097 42280480747