Base | Representation |
---|---|
bin | 100101011010011110… |
… | …101000010010111101 |
3 | 10211200200222211001212 |
4 | 211122132220102331 |
5 | 1124233201400402 |
6 | 30242144014205 |
7 | 2621342120042 |
oct | 453236502275 |
9 | 124620884055 |
10 | 40172684477 |
11 | 16045484492 |
12 | 7951901365 |
13 | 3a32a94723 |
14 | 1d314bd1c9 |
15 | 10a1c47952 |
hex | 95a7a84bd |
40172684477 has 8 divisors (see below), whose sum is σ = 40506741336. Its totient is φ = 39839798592.
The previous prime is 40172684437. The next prime is 40172684521. The reversal of 40172684477 is 77448627104.
It can be written as a sum of positive squares in 4 ways, for example, as 28043186521 + 12129497956 = 167461^2 + 110134^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 40172684477 - 28 = 40172684221 is a prime.
It is a super-2 number, since 2×401726844772 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40172684407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223778 + ... + 361139.
It is an arithmetic number, because the mean of its divisors is an integer number (5063342667).
Almost surely, 240172684477 is an apocalyptic number.
It is an amenable number.
40172684477 is a deficient number, since it is larger than the sum of its proper divisors (334056859).
40172684477 is a wasteful number, since it uses less digits than its factorization.
40172684477 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 585487.
The product of its (nonzero) digits is 2107392, while the sum is 50.
The spelling of 40172684477 in words is "forty billion, one hundred seventy-two million, six hundred eighty-four thousand, four hundred seventy-seven".
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