Base | Representation |
---|---|
bin | 10010011111000… |
… | …001011010001000 |
3 | 210121112211120110 |
4 | 102133001122020 |
5 | 1113342401440 |
6 | 50434554320 |
7 | 10453665060 |
oct | 2237013210 |
9 | 717484513 |
10 | 310122120 |
11 | 14a068380 |
12 | 87a389a0 |
13 | 4c333119 |
14 | 2d28a3a0 |
15 | 1c35d080 |
hex | 127c1688 |
310122120 has 128 divisors (see below), whose sum is σ = 1159971840. Its totient is φ = 64439040.
The previous prime is 310122101. The next prime is 310122167. The reversal of 310122120 is 21221013.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 310122096 and 310122105.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7542 + ... + 26021.
It is an arithmetic number, because the mean of its divisors is an integer number (9062280).
Almost surely, 2310122120 is an apocalyptic number.
310122120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 310122120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579985920).
310122120 is an abundant number, since it is smaller than the sum of its proper divisors (849849720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310122120 is a wasteful number, since it uses less digits than its factorization.
310122120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33595 (or 33591 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 310122120 is about 17610.2844951466. The cubic root of 310122120 is about 676.8788040684.
Adding to 310122120 its reverse (21221013), we get a palindrome (331343133).
The spelling of 310122120 in words is "three hundred ten million, one hundred twenty-two thousand, one hundred twenty".
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