Base | Representation |
---|---|
bin | 101111100000001000… |
… | …1101110101100101000 |
3 | 100202022021001001212122 |
4 | 1133000101232230220 |
5 | 3132404042333000 |
6 | 114510210530412 |
7 | 10240622502404 |
oct | 1370021565450 |
9 | 322267031778 |
10 | 102010121000 |
11 | 3a298065827 |
12 | 1792ab96a08 |
13 | 98090bb758 |
14 | 4d19dd2104 |
15 | 29c094b085 |
hex | 17c046eb28 |
102010121000 has 64 divisors (see below), whose sum is σ = 238756124880. Its totient is φ = 40795084800.
The previous prime is 102010120999. The next prime is 102010121027. The reversal of 102010121000 is 121010201.
It can be written as a sum of positive squares in 8 ways, for example, as 1927736836 + 100082384164 = 43906^2 + 316358^2 .
It is a Harshad number since it is a multiple of its sum of digits (8).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6344972 + ... + 6361028.
Almost surely, 2102010121000 is an apocalyptic number.
102010121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102010121000 is an abundant number, since it is smaller than the sum of its proper divisors (136746003880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102010121000 is a wasteful number, since it uses less digits than its factorization.
102010121000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22431 (or 22417 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 8.
Adding to 102010121000 its reverse (121010201), we get a palindrome (102131131201).
It can be divided in two parts, 102010 and 121000, that multiplied together give a square (12343210000 = 1111002).
The spelling of 102010121000 in words is "one hundred two billion, ten million, one hundred twenty-one thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •