Base | Representation |
---|---|
bin | 101111000010000100… |
… | …0001111100000110010 |
3 | 100122200221012110111012 |
4 | 1132010020033200302 |
5 | 3123322224013020 |
6 | 114222121550522 |
7 | 10203620225540 |
oct | 1360410174062 |
9 | 318627173435 |
10 | 101001001010 |
11 | 3991a482a68 |
12 | 176a9045442 |
13 | 96a800a430 |
14 | 4c61d8cd90 |
15 | 29620677c5 |
hex | 178420f832 |
101001001010 has 128 divisors (see below), whose sum is σ = 236776587264. Its totient is φ = 30144280320.
The previous prime is 101001000979. The next prime is 101001001019. The reversal of 101001001010 is 10100100101.
It is a Harshad number since it is a multiple of its sum of digits (5).
It is a junction number, because it is equal to n+sod(n) for n = 101001000985 and 101001001003.
It is not an unprimeable number, because it can be changed into a prime (101001001019) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1452047 + ... + 1520013.
It is an arithmetic number, because the mean of its divisors is an integer number (1849817088).
Almost surely, 2101001001010 is an apocalyptic number.
101001001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
101001001010 is an abundant number, since it is smaller than the sum of its proper divisors (135775586254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101001001010 is a wasteful number, since it uses less digits than its factorization.
101001001010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68088.
The product of its (nonzero) digits is 1, while the sum is 5.
Adding to 101001001010 its reverse (10100100101), we get a palindrome (111101101111).
Subtracting from 101001001010 its reverse (10100100101), we obtain a palindrome (90900900909).
The spelling of 101001001010 in words is "one hundred one billion, one million, one thousand, ten".
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