Base | Representation |
---|---|
bin | 1100001010001010000… |
… | …1101000111000011111 |
3 | 201222011120021110002101 |
4 | 3002202201220320133 |
5 | 11410244100014112 |
6 | 235543245505531 |
7 | 21043240354003 |
oct | 3024241507037 |
9 | 658146243071 |
10 | 208885157407 |
11 | 806512534a3 |
12 | 345972722a7 |
13 | 1690c05cb74 |
14 | a178160703 |
15 | 5678518757 |
hex | 30a2868e1f |
208885157407 has 8 divisors (see below), whose sum is σ = 222145910000. Its totient is φ = 195851084544.
The previous prime is 208885157381. The next prime is 208885157461. The reversal of 208885157407 is 704751588802.
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 208885157407 - 211 = 208885155359 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208885151407) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 56668032 + ... + 56671717.
It is an arithmetic number, because the mean of its divisors is an integer number (27768238750).
Almost surely, 2208885157407 is an apocalyptic number.
208885157407 is a deficient number, since it is larger than the sum of its proper divisors (13260752593).
208885157407 is a wasteful number, since it uses less digits than its factorization.
208885157407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113339865.
The product of its (nonzero) digits is 5017600, while the sum is 55.
The spelling of 208885157407 in words is "two hundred eight billion, eight hundred eighty-five million, one hundred fifty-seven thousand, four hundred seven".
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