Base | Representation |
---|---|
bin | 1011000110100010… |
… | …1111101111010011 |
3 | 21200200212022102020 |
4 | 2301220233233103 |
5 | 22100420423111 |
6 | 1211421022523 |
7 | 133565460141 |
oct | 26150575723 |
9 | 7620768366 |
10 | 2980248531 |
11 | 129a2aa917 |
12 | 6b20b4a43 |
13 | 38658a290 |
14 | 203b44591 |
15 | 126991906 |
hex | b1a2fbd3 |
2980248531 has 8 divisors (see below), whose sum is σ = 4279331280. Its totient is φ = 1833999072.
The previous prime is 2980248527. The next prime is 2980248569. The reversal of 2980248531 is 1358420892.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2980248531 - 22 = 2980248527 is a prime.
It is a super-2 number, since 2×29802485312 = 17763762613055315922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2980248031) 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, 38208276 + ... + 38208353.
It is an arithmetic number, because the mean of its divisors is an integer number (534916410).
Almost surely, 22980248531 is an apocalyptic number.
2980248531 is a deficient number, since it is larger than the sum of its proper divisors (1299082749).
2980248531 is a wasteful number, since it uses less digits than its factorization.
2980248531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76416645.
The product of its (nonzero) digits is 138240, while the sum is 42.
The square root of 2980248531 is about 54591.6525761952. The cubic root of 2980248531 is about 1439.0774265131.
The spelling of 2980248531 in words is "two billion, nine hundred eighty million, two hundred forty-eight thousand, five hundred thirty-one".
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