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315500921230 = 25112260744563
BaseRepresentation
bin1001001011101010101…
…00100000000110001110
31010011100210122102011211
410211311110200012032
520132121213434410
6400534503405034
731536256403455
oct4456524400616
91104323572154
10315500921230
11111892054900
125119075377a
13239a0393151
14113adabbb9c
15831846e68a
hex497552018e

315500921230 has 24 divisors (see below), whose sum is σ = 624222486216. Its totient is φ = 114727607280.

The previous prime is 315500921167. The next prime is 315500921297. The reversal of 315500921230 is 32129005513.

It is a junction number, because it is equal to n+sod(n) for n = 315500921192 and 315500921201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130371072 + ... + 130373491.

It is an arithmetic number, because the mean of its divisors is an integer number (26009270259).

Almost surely, 2315500921230 is an apocalyptic number.

315500921230 is a deficient number, since it is larger than the sum of its proper divisors (308721564986).

315500921230 is a wasteful number, since it uses less digits than its factorization.

315500921230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260744592 (or 260744581 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 315500921230 its reverse (32129005513), we get a palindrome (347629926743).

The spelling of 315500921230 in words is "three hundred fifteen billion, five hundred million, nine hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 260744563 521489126 1303722815 2607445630 2868190193 5736380386 14340950965 28681901930 31550092123 63100184246 157750460615 315500921230