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42031135023 = 325315535511
BaseRepresentation
bin100111001001010000…
…000011100100101111
311000111012222212221120
4213021100003210233
51142034432310043
631150413032023
73015366516153
oct471120034457
9130435885846
1042031135023
1116909530929
128190185613
133c6ab0b3c7
14206a24d063
15115ee99983
hex9c940392f

42031135023 has 8 divisors (see below), whose sum is σ = 56063665536. Its totient is φ = 28009680600.

The previous prime is 42031134997. The next prime is 42031135063. The reversal of 42031135023 is 32053113024.

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

It is not a de Polignac number, because 42031135023 - 212 = 42031130927 is a prime.

It is a super-3 number, since 3×420311350233 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 42031134984 and 42031135002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031135063) 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, 2760163 + ... + 2775348.

It is an arithmetic number, because the mean of its divisors is an integer number (7007958192).

Almost surely, 242031135023 is an apocalyptic number.

42031135023 is a deficient number, since it is larger than the sum of its proper divisors (14032530513).

42031135023 is a wasteful number, since it uses less digits than its factorization.

42031135023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538045.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 42031135023 its reverse (32053113024), we get a palindrome (74084248047).

The spelling of 42031135023 in words is "forty-two billion, thirty-one million, one hundred thirty-five thousand, twenty-three".

Divisors: 1 3 2531 7593 5535511 16606533 14010378341 42031135023