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313201123420 = 22515660056171
BaseRepresentation
bin1001000111011000011…
…11011110000001011100
31002221102112011120200011
410203230033132001130
520112413441422140
6355514351013004
731425262423543
oct4435417360134
91087375146604
10313201123420
11110911961759
125084a50a164
13236c4a8c043
14112324a315a
1582315dccea
hex48ec3de05c

313201123420 has 12 divisors (see below), whose sum is σ = 657722359224. Its totient is φ = 125280449360.

The previous prime is 313201123387. The next prime is 313201123447. The reversal of 313201123420 is 24321102313.

It is a junction number, because it is equal to n+sod(n) for n = 313201123391 and 313201123400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7830028066 + ... + 7830028105.

It is an arithmetic number, because the mean of its divisors is an integer number (54810196602).

Almost surely, 2313201123420 is an apocalyptic number.

It is an amenable number.

313201123420 is an abundant number, since it is smaller than the sum of its proper divisors (344521235804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313201123420 is a wasteful number, since it uses less digits than its factorization.

313201123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15660056180 (or 15660056178 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 313201123420 its reverse (24321102313), we get a palindrome (337522225733).

The spelling of 313201123420 in words is "three hundred thirteen billion, two hundred one million, one hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 15660056171 31320112342 62640224684 78300280855 156600561710 313201123420