Base | Representation |
---|---|
bin | 1111100101111100… |
… | …11111010111000101 |
3 | 210121102022221212021 |
4 | 13302332133113011 |
5 | 114121041404244 |
6 | 3502404523141 |
7 | 414311010613 |
oct | 76276372705 |
9 | 23542287767 |
10 | 8371434949 |
11 | 3606502a89 |
12 | 17576b04b1 |
13 | a35492907 |
14 | 595b546b3 |
15 | 33ee1a284 |
hex | 1f2f9f5c5 |
8371434949 has 8 divisors (see below), whose sum is σ = 8486821760. Its totient is φ = 8256283776.
The previous prime is 8371434931. The next prime is 8371434961. The reversal of 8371434949 is 9494341738.
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 8371434949 - 213 = 8371426757 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8371434896 and 8371434905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8371434749) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13237 + ... + 130069.
It is an arithmetic number, because the mean of its divisors is an integer number (1060852720).
Almost surely, 28371434949 is an apocalyptic number.
It is an amenable number.
8371434949 is a deficient number, since it is larger than the sum of its proper divisors (115386811).
8371434949 is a wasteful number, since it uses less digits than its factorization.
8371434949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117819.
The product of its digits is 2612736, while the sum is 52.
The square root of 8371434949 is about 91495.5460609969. The cubic root of 8371434949 is about 2030.4858575630.
The spelling of 8371434949 in words is "eight billion, three hundred seventy-one million, four hundred thirty-four thousand, nine hundred forty-nine".
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