Base | Representation |
---|---|
bin | 101111000011100010… |
… | …1000101100101001001 |
3 | 100122211101100112221111 |
4 | 1132013011011211021 |
5 | 3123422412134140 |
6 | 114231051010321 |
7 | 10205061060613 |
oct | 1360705054511 |
9 | 318741315844 |
10 | 101050505545 |
11 | 39945415500 |
12 | 177017399a1 |
13 | 96b5351162 |
14 | 4c68797db3 |
15 | 29665957ea |
hex | 1787145949 |
101050505545 has 24 divisors (see below), whose sum is σ = 141126845832. Its totient is φ = 69168253440.
The previous prime is 101050505503. The next prime is 101050505623. The reversal of 101050505545 is 545505050101.
It can be written as a sum of positive squares in 4 ways, for example, as 12606124729 + 88444380816 = 112277^2 + 297396^2 .
It is not a de Polignac number, because 101050505545 - 211 = 101050503497 is a prime.
It is a super-2 number, since 2×1010505055452 (a number of 23 digits) contains 22 as substring.
It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 4902234 + ... + 4922803.
It is an arithmetic number, because the mean of its divisors is an integer number (5880285243).
Almost surely, 2101050505545 is an apocalyptic number.
It is an amenable number.
101050505545 is a deficient number, since it is larger than the sum of its proper divisors (40076340287).
101050505545 is a wasteful number, since it uses less digits than its factorization.
101050505545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9825081 (or 9825070 counting only the distinct ones).
The product of its (nonzero) digits is 12500, while the sum is 31.
Adding to 101050505545 its reverse (545505050101), we get a palindrome (646555555646).
The spelling of 101050505545 in words is "one hundred one billion, fifty million, five hundred five thousand, five hundred forty-five".
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