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30431024042 = 215679709963
BaseRepresentation
bin11100010101110101…
…001001001110101010
32220112210100012012112
4130111311021032222
5444310320232132
621551350242322
72125052302466
oct342565111652
986483305175
1030431024042
11119a6579851
125a933563a2
132b3c779803
1416897a74a6
15bd18b9ab2
hex715d493aa

30431024042 has 8 divisors (see below), whose sum is σ = 45675670656. Its totient is φ = 15205800492.

The previous prime is 30431024027. The next prime is 30431024137. The reversal of 30431024042 is 24042013403.

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

It is a junction number, because it is equal to n+sod(n) for n = 30431023999 and 30431024017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4851848 + ... + 4858115.

It is an arithmetic number, because the mean of its divisors is an integer number (5709458832).

Almost surely, 230431024042 is an apocalyptic number.

30431024042 is a deficient number, since it is larger than the sum of its proper divisors (15244646614).

30431024042 is a wasteful number, since it uses less digits than its factorization.

30431024042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9711532.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30431024042 its reverse (24042013403), we get a palindrome (54473037445).

The spelling of 30431024042 in words is "thirty billion, four hundred thirty-one million, twenty-four thousand, forty-two".

Divisors: 1 2 1567 3134 9709963 19419926 15215512021 30431024042