Search a number
-
+
315020131424 = 2543228939049
BaseRepresentation
bin1001001010110001010…
…10011011110001100000
31010010010021221202112222
410211120222123301200
520130130123201144
6400415050410212
731521330636065
oct4453052336140
91103107852488
10315020131424
11111665719359
1251077730968
13239248a5b3b
1411365cc6c6c
1582db14d2ee
hex4958a9bc60

315020131424 has 24 divisors (see below), whose sum is σ = 634619046600. Its totient is φ = 153847040256.

The previous prime is 315020131417. The next prime is 315020131457. The reversal of 315020131424 is 424131020513.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 315020131393 and 315020131402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114468149 + ... + 114470900.

It is an arithmetic number, because the mean of its divisors is an integer number (26442460275).

Almost surely, 2315020131424 is an apocalyptic number.

It is an amenable number.

315020131424 is an abundant number, since it is smaller than the sum of its proper divisors (319598915176).

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

315020131424 is a wasteful number, since it uses less digits than its factorization.

315020131424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228939102 (or 228939094 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 315020131424 its reverse (424131020513), we get a palindrome (739151151937).

The spelling of 315020131424 in words is "three hundred fifteen billion, twenty million, one hundred thirty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1376 228939049 457878098 915756196 1831512392 3663024784 7326049568 9844379107 19688758214 39377516428 78755032856 157510065712 315020131424