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42005050531 = 596011184609
BaseRepresentation
bin100111000111101100…
…100011010010100011
311000102101220122202021
4213013230203102203
51142011243104111
631144042002311
73014632016113
oct470754432243
9130371818667
1042005050531
11168a58351a4
1281834a6397
133c655a76b2
1420669bd043
15115ca45d71
hex9c7b234a3

42005050531 has 8 divisors (see below), whose sum is σ = 42788113200. Its totient is φ = 41224358400.

The previous prime is 42005050517. The next prime is 42005050547. The reversal of 42005050531 is 13505050024.

42005050531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42005050531 - 217 = 42004919459 is a prime.

It is a super-2 number, since 2×420050505312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42005050496 and 42005050505.

It is not an unprimeable number, because it can be changed into a prime (42005050501) 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, 556846 + ... + 627763.

It is an arithmetic number, because the mean of its divisors is an integer number (5348514150).

Almost surely, 242005050531 is an apocalyptic number.

42005050531 is a deficient number, since it is larger than the sum of its proper divisors (783062669).

42005050531 is a wasteful number, since it uses less digits than its factorization.

42005050531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185269.

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 42005050531 in words is "forty-two billion, five million, fifty thousand, five hundred thirty-one".

Divisors: 1 59 601 35459 1184609 69891931 711950009 42005050531