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42272420123 = 195937709563
BaseRepresentation
bin100111010111101000…
…011111000100011011
311001010001000102212202
4213113220133010123
51143033214420443
631230352400415
73024356433233
oct472750370433
9131101012782
1042272420123
1116a227519aa
128238b4610b
133ca8abc15b
1420902dacc3
15117625b7b8
hex9d7a1f11b

42272420123 has 8 divisors (see below), whose sum is σ = 45251476800. Its totient is φ = 39368782728.

The previous prime is 42272420119. The next prime is 42272420213. The reversal of 42272420123 is 32102427224.

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 42272420123 - 22 = 42272420119 is a prime.

It is a super-3 number, since 3×422724201233 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42272420023) 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, 18853661 + ... + 18855902.

It is an arithmetic number, because the mean of its divisors is an integer number (5656434600).

Almost surely, 242272420123 is an apocalyptic number.

42272420123 is a deficient number, since it is larger than the sum of its proper divisors (2979056677).

42272420123 is a wasteful number, since it uses less digits than its factorization.

42272420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37709641.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 42272420123 its reverse (32102427224), we get a palindrome (74374847347).

The spelling of 42272420123 in words is "forty-two billion, two hundred seventy-two million, four hundred twenty thousand, one hundred twenty-three".

Divisors: 1 19 59 1121 37709563 716481697 2224864217 42272420123