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315030423142 = 21791792949081
BaseRepresentation
bin1001001010110010100…
…01101100011001100110
31010010011000022122010201
410211121101230121212
520130140242020032
6400420055141114
731521514262101
oct4453121543146
91103130278121
10315030423142
11111670508706
125107b07479a
1323926a6a406
1411367405738
1582dbed28e7
hex495946c666

315030423142 has 16 divisors (see below), whose sum is σ = 475221740400. Its totient is φ = 156623310720.

The previous prime is 315030423121. The next prime is 315030423203. The reversal of 315030423142 is 241324030513.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 315030423142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6394042 + ... + 6443122.

It is an arithmetic number, because the mean of its divisors is an integer number (29701358775).

Almost surely, 2315030423142 is an apocalyptic number.

315030423142 is a deficient number, since it is larger than the sum of its proper divisors (160191317258).

315030423142 is a wasteful number, since it uses less digits than its factorization.

315030423142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67191.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 315030423142 its reverse (241324030513), we get a palindrome (556354453655).

The spelling of 315030423142 in words is "three hundred fifteen billion, thirty million, four hundred twenty-three thousand, one hundred forty-two".

Divisors: 1 2 179 358 17929 35858 49081 98162 3209291 6418582 8785499 17570998 879973249 1759946498 157515211571 315030423142