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315116120 = 23511716173
BaseRepresentation
bin10010110010000…
…100101001011000
3210221221120001102
4102302010221120
51121132203440
651134010532
710544304614
oct2262045130
9727846042
10315116120
11151969450
1289646a48
1350391257
142dbca344
151c9e7b15
hex12c84a58

315116120 has 32 divisors (see below), whose sum is σ = 773467920. Its totient is φ = 114587520.

The previous prime is 315116101. The next prime is 315116129. The reversal of 315116120 is 21611513.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 315116092 and 315116101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315116129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357647 + ... + 358526.

Almost surely, 2315116120 is an apocalyptic number.

It is an amenable number.

315116120 is an abundant number, since it is smaller than the sum of its proper divisors (458351800).

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

315116120 is a wasteful number, since it uses less digits than its factorization.

315116120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716195 (or 716191 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 315116120 is about 17751.5103582766. The cubic root of 315116120 is about 680.4928088558.

Adding to 315116120 its reverse (21611513), we get a palindrome (336727633).

The spelling of 315116120 in words is "three hundred fifteen million, one hundred sixteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 716173 1432346 2864692 3580865 5729384 7161730 7877903 14323460 15755806 28646920 31511612 39389515 63023224 78779030 157558060 315116120