Base | Representation |
---|---|
bin | 10111001111100001110001… |
… | …110100110010111011101000 |
3 | 111101221100012002102010002220 |
4 | 113033201301310302323220 |
5 | 101344301411103412222 |
6 | 1001224110540354040 |
7 | 30350206464502026 |
oct | 2717416164627350 |
9 | 441840162363086 |
10 | 102222131310312 |
11 | 2a631187221162 |
12 | b56b400b45920 |
13 | 4506675b05470 |
14 | 1b35812b45716 |
15 | bc4073b3bb5c |
hex | 5cf871d32ee8 |
102222131310312 has 64 divisors (see below), whose sum is σ = 275218741284480. Its totient is φ = 31452356527872.
The previous prime is 102222131310311. The next prime is 102222131310337. The reversal of 102222131310312 is 213013131222201.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (102222131310311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13167853 + ... + 19438019.
It is an arithmetic number, because the mean of its divisors is an integer number (4300292832570).
Almost surely, 2102222131310312 is an apocalyptic number.
102222131310312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102222131310312 is an abundant number, since it is smaller than the sum of its proper divisors (172996609974168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102222131310312 is a wasteful number, since it uses less digits than its factorization.
102222131310312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6322442 (or 6322438 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 102222131310312 its reverse (213013131222201), we get a palindrome (315235262532513).
The spelling of 102222131310312 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred thirty-one million, three hundred ten thousand, three hundred twelve".
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