Base | Representation |
---|---|
bin | 101111000100010111… |
… | …0000000101101111001 |
3 | 100122220022002221222121 |
4 | 1132020232000231321 |
5 | 3124001432320440 |
6 | 114233512321241 |
7 | 10205543625655 |
oct | 1361056005571 |
9 | 318808087877 |
10 | 101078010745 |
11 | 399599a1578 |
12 | 1770a9a3221 |
13 | 96bac6171a |
14 | 4c6c2b7a65 |
15 | 2968bca34a |
hex | 1788b80b79 |
101078010745 has 4 divisors (see below), whose sum is σ = 121293612900. Its totient is φ = 80862408592.
The previous prime is 101078010743. The next prime is 101078010751. The reversal of 101078010745 is 547010870101.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 42937227369 + 58140783376 = 207213^2 + 241124^2 .
It is a cyclic number.
It is not a de Polignac number, because 101078010745 - 21 = 101078010743 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 101078010745.
It is not an unprimeable number, because it can be changed into a prime (101078010743) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10107801070 + ... + 10107801079.
It is an arithmetic number, because the mean of its divisors is an integer number (30323403225).
Almost surely, 2101078010745 is an apocalyptic number.
It is an amenable number.
101078010745 is a deficient number, since it is larger than the sum of its proper divisors (20215602155).
101078010745 is an equidigital number, since it uses as much as digits as its factorization.
101078010745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20215602154.
The product of its (nonzero) digits is 7840, while the sum is 34.
Adding to 101078010745 its reverse (547010870101), we get a palindrome (648088880846).
The spelling of 101078010745 in words is "one hundred one billion, seventy-eight million, ten thousand, seven hundred forty-five".
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