Base | Representation |
---|---|
bin | 101111100000001001… |
… | …0111100101000011100 |
3 | 100202022021122021202121 |
4 | 1133000102330220130 |
5 | 3132404133041340 |
6 | 114510221432324 |
7 | 10240625302153 |
oct | 1370022745034 |
9 | 322267567677 |
10 | 102010440220 |
11 | 3a298263647 |
12 | 1792b10b6a4 |
13 | 98091a0b40 |
14 | 4d1a07659a |
15 | 29c09b094a |
hex | 17c04bca1c |
102010440220 has 48 divisors (see below), whose sum is σ = 230727022848. Its totient is φ = 37661068800.
The previous prime is 102010440157. The next prime is 102010440247. The reversal of 102010440220 is 22044010201.
It is a super-2 number, since 2×1020104402202 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102010440194 and 102010440203.
It is a congruent number.
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, 3051637 + ... + 3084883.
It is an arithmetic number, because the mean of its divisors is an integer number (4806812976).
Almost surely, 2102010440220 is an apocalyptic number.
102010440220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102010440220 is an abundant number, since it is smaller than the sum of its proper divisors (128716582628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102010440220 is a wasteful number, since it uses less digits than its factorization.
102010440220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45070 (or 45068 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 102010440220 its reverse (22044010201), we get a palindrome (124054450421).
The spelling of 102010440220 in words is "one hundred two billion, ten million, four hundred forty thousand, two hundred twenty".
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