Base | Representation |
---|---|
bin | 101111100000001001… |
… | …0011101000101100100 |
3 | 100202022021101201112010 |
4 | 1133000102131011210 |
5 | 3132404114423022 |
6 | 114510214554220 |
7 | 10240624223361 |
oct | 1370022350544 |
9 | 322267351463 |
10 | 102010311012 |
11 | 3a298185565 |
12 | 1792b068970 |
13 | 980915709c |
14 | 4d1a041468 |
15 | 29c098750c |
hex | 17c049d164 |
102010311012 has 24 divisors (see below), whose sum is σ = 238029985312. Its totient is φ = 34002590400.
The previous prime is 102010310989. The next prime is 102010311049. The reversal of 102010311012 is 210113010201.
It is a super-2 number, since 2×1020103110122 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567687 + ... + 725457.
Almost surely, 2102010311012 is an apocalyptic number.
102010311012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102010311012 is an abundant number, since it is smaller than the sum of its proper divisors (136019674300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102010311012 is a wasteful number, since it uses less digits than its factorization.
102010311012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211659 (or 211657 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 102010311012 its reverse (210113010201), we get a palindrome (312123321213).
The spelling of 102010311012 in words is "one hundred two billion, ten million, three hundred eleven thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •