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42303421983 = 323360519917
BaseRepresentation
bin100111011001011110…
…101111111000011111
311001012012100111102210
4213121132233320133
51143114134000413
631233421051503
73025214103534
oct473136577037
9131165314383
1042303421983
1116a391a7079
1282473b6b93
133cb2355154
14209448ad8b
151178d323c3
hex9d97afe1f

42303421983 has 8 divisors (see below), whose sum is σ = 56646643248. Its totient is φ = 28081241024.

The previous prime is 42303421961. The next prime is 42303421987. The reversal of 42303421983 is 38912430324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42303421983 is a prime.

It is a super-2 number, since 2×423034219832 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303421987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30259260 + ... + 30260657.

It is an arithmetic number, because the mean of its divisors is an integer number (7080830406).

Almost surely, 242303421983 is an apocalyptic number.

42303421983 is a deficient number, since it is larger than the sum of its proper divisors (14343221265).

42303421983 is a wasteful number, since it uses less digits than its factorization.

42303421983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60520153.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 42303421983 in words is "forty-two billion, three hundred three million, four hundred twenty-one thousand, nine hundred eighty-three".

Divisors: 1 3 233 699 60519917 181559751 14101140661 42303421983