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315250515142 = 21311203246241
BaseRepresentation
bin1001001011001100110…
…01010001110011000110
31010010201100110110121021
410211212121101303012
520131113112441032
6400454000341354
731530126110533
oct4454631216306
91103640413537
10315250515142
11111773774022
125112091485a
132396053a974
1411388737d8a
1583014aa097
hex4966651cc6

315250515142 has 8 divisors (see below), whose sum is σ = 476485511832. Its totient is φ = 156422011200.

The previous prime is 315250515119. The next prime is 315250515161. The reversal of 315250515142 is 241515052513.

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 = 315250515098 and 315250515107.

It is a congruent number.

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, 601622859 + ... + 601623382.

It is an arithmetic number, because the mean of its divisors is an integer number (59560688979).

Almost surely, 2315250515142 is an apocalyptic number.

315250515142 is a deficient number, since it is larger than the sum of its proper divisors (161234996690).

315250515142 is a wasteful number, since it uses less digits than its factorization.

315250515142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203246374.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 315250515142 its reverse (241515052513), we get a palindrome (556765567655).

The spelling of 315250515142 in words is "three hundred fifteen billion, two hundred fifty million, five hundred fifteen thousand, one hundred forty-two".

Divisors: 1 2 131 262 1203246241 2406492482 157625257571 315250515142