Base | Representation |
---|---|
bin | 111010011100111… |
… | …101111111111001 |
3 | 2112100022022202220 |
4 | 322130331333321 |
5 | 4002023010010 |
6 | 241151114253 |
7 | 33205402341 |
oct | 7234757771 |
9 | 2470268686 |
10 | 980672505 |
11 | 46362284a |
12 | 234512989 |
13 | 128230bb7 |
14 | 94359d21 |
15 | 5b164970 |
hex | 3a73dff9 |
980672505 has 16 divisors (see below), whose sum is σ = 1637297280. Its totient is φ = 500284928.
The previous prime is 980672503. The next prime is 980672513. The reversal of 980672505 is 505276089.
It is a cyclic number.
It is not a de Polignac number, because 980672505 - 21 = 980672503 is a prime.
It is not an unprimeable number, because it can be changed into a prime (980672503) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420920 + ... + 1421609.
It is an arithmetic number, because the mean of its divisors is an integer number (102331080).
Almost surely, 2980672505 is an apocalyptic number.
It is an amenable number.
980672505 is a deficient number, since it is larger than the sum of its proper divisors (656624775).
980672505 is a wasteful number, since it uses less digits than its factorization.
980672505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2842560.
The product of its (nonzero) digits is 151200, while the sum is 42.
The square root of 980672505 is about 31315.6910350067. The cubic root of 980672505 is about 993.5155443886.
The spelling of 980672505 in words is "nine hundred eighty million, six hundred seventy-two thousand, five hundred five".
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