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42302431423 = 721750783231
BaseRepresentation
bin100111011001011010…
…111110000010111111
311001012010111011122101
4213121122332002333
51143113410301143
631233343525531
73025202506600
oct473132760277
9131163434571
1042302431423
1116a3868a92a
128246bb98a7
133cb2099315
1420942adda7
151178bd8b4d
hex9d96be0bf

42302431423 has 12 divisors (see below), whose sum is σ = 52103596032. Its totient is φ = 34126330560.

The previous prime is 42302431393. The next prime is 42302431429. The reversal of 42302431423 is 32413420324.

It is a de Polignac number, because none of the positive numbers 2k-42302431423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42302431391 and 42302431400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42302431429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25390783 + ... + 25392448.

It is an arithmetic number, because the mean of its divisors is an integer number (4341966336).

Almost surely, 242302431423 is an apocalyptic number.

42302431423 is a deficient number, since it is larger than the sum of its proper divisors (9801164609).

42302431423 is a wasteful number, since it uses less digits than its factorization.

42302431423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50783262 (or 50783255 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42302431423 its reverse (32413420324), we get a palindrome (74715851747).

The spelling of 42302431423 in words is "forty-two billion, three hundred two million, four hundred thirty-one thousand, four hundred twenty-three".

Divisors: 1 7 17 49 119 833 50783231 355482617 863314927 2488378319 6043204489 42302431423