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42232217993 = 723262311913
BaseRepresentation
bin100111010101001111…
…001000000110001001
311001000020100221220222
4213111033020012021
51142442421433433
631222354555425
73023360633660
oct472517100611
9131006327828
1042232217993
1116a01a934a9
128227598b75
133ca0684604
142088c33dd7
151172969b98
hex9d53c8189

42232217993 has 8 divisors (see below), whose sum is σ = 50363887488. Its totient is φ = 34625172384.

The previous prime is 42232217971. The next prime is 42232218029. The reversal of 42232217993 is 39971223224.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42232217993 - 232 = 37937250697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42232217903) 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, 131155796 + ... + 131156117.

It is an arithmetic number, because the mean of its divisors is an integer number (6295485936).

Almost surely, 242232217993 is an apocalyptic number.

It is an amenable number.

42232217993 is a deficient number, since it is larger than the sum of its proper divisors (8131669495).

42232217993 is a wasteful number, since it uses less digits than its factorization.

42232217993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262311943.

The product of its digits is 326592, while the sum is 44.

The spelling of 42232217993 in words is "forty-two billion, two hundred thirty-two million, two hundred seventeen thousand, nine hundred ninety-three".

Divisors: 1 7 23 161 262311913 1836183391 6033173999 42232217993