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315112150420 = 22548533324637
BaseRepresentation
bin1001001010111100010…
…01011101010110010100
31010010100201002210212221
410211132021131112110
520130322202303140
6400432134552124
731523526041044
oct4453611352624
91103321083787
10315112150420
11111702659611
12510a2508644
132393a983a52
14113741db724
1582e427814a
hex495e25d594

315112150420 has 24 divisors (see below), whose sum is σ = 661751189064. Its totient is φ = 126041874816.

The previous prime is 315112150373. The next prime is 315112150421. The reversal of 315112150420 is 24051211513.

It can be written as a sum of positive squares in 4 ways, for example, as 83092674564 + 232019475856 = 288258^2 + 481684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315112150421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 808342 + ... + 1132978.

It is an arithmetic number, because the mean of its divisors is an integer number (27572966211).

Almost surely, 2315112150420 is an apocalyptic number.

It is an amenable number.

315112150420 is an abundant number, since it is smaller than the sum of its proper divisors (346639038644).

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

315112150420 is a wasteful number, since it uses less digits than its factorization.

315112150420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373179 (or 373177 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 315112150420 its reverse (24051211513), we get a palindrome (339163361933).

The spelling of 315112150420 in words is "three hundred fifteen billion, one hundred twelve million, one hundred fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 48533 97066 194132 242665 324637 485330 649274 970660 1298548 1623185 3246370 6492740 15755607521 31511215042 63022430084 78778037605 157556075210 315112150420