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42403304031 = 3111284948607
BaseRepresentation
bin100111011111011011…
…110001001001011111
311001110011022000211220
4213133123301021133
51143320221212111
631251345544423
73030536065044
oct473733611137
9131404260756
1042403304031
1116a8a617a20
128274945113
133cc9c5705a
1420a384b1cb
1511829b1e06
hex9df6f125f

42403304031 has 8 divisors (see below), whose sum is σ = 61677533184. Its totient is φ = 25698972120.

The previous prime is 42403304029. The next prime is 42403304077. The reversal of 42403304031 is 13040330424.

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

It is not a de Polignac number, because 42403304031 - 21 = 42403304029 is a prime.

It is a super-2 number, since 2×424033040312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42403303992 and 42403304010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403304231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642474271 + ... + 642474336.

It is an arithmetic number, because the mean of its divisors is an integer number (7709691648).

Almost surely, 242403304031 is an apocalyptic number.

42403304031 is a deficient number, since it is larger than the sum of its proper divisors (19274229153).

42403304031 is a wasteful number, since it uses less digits than its factorization.

42403304031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284948621.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 42403304031 its reverse (13040330424), we get a palindrome (55443634455).

The spelling of 42403304031 in words is "forty-two billion, four hundred three million, three hundred four thousand, thirty-one".

Divisors: 1 3 11 33 1284948607 3854845821 14134434677 42403304031