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42310331020 = 2253757176123
BaseRepresentation
bin100111011001111001…
…000110101010001100
311001012200100111212001
4213121321012222030
51143122421043040
631234225122044
73025326610516
oct473171065214
9131180314761
1042310331020
1116a42095a21
128249789324
133cb3903b39
142095368bb6
15117974959a
hex9d9e46a8c

42310331020 has 24 divisors (see below), whose sum is σ = 91253093904. Its totient is φ = 16466723136.

The previous prime is 42310331003. The next prime is 42310331027. The reversal of 42310331020 is 2013301324.

42310331020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×423103310202 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42310331027) 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, 28587322 + ... + 28588801.

It is an arithmetic number, because the mean of its divisors is an integer number (3802212246).

Almost surely, 242310331020 is an apocalyptic number.

It is an amenable number.

42310331020 is an abundant number, since it is smaller than the sum of its proper divisors (48942762884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42310331020 is a wasteful number, since it uses less digits than its factorization.

42310331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57176169 (or 57176167 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 42310331020 its reverse (2013301324), we get a palindrome (44323632344).

The spelling of 42310331020 in words is "forty-two billion, three hundred ten million, three hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 57176123 114352246 228704492 285880615 571761230 1143522460 2115516551 4231033102 8462066204 10577582755 21155165510 42310331020