Base | Representation |
---|---|
bin | 1000000000010110… |
… | …0101111011001110 |
3 | 12112202121221211000 |
4 | 2000011211323032 |
5 | 13400112342320 |
6 | 553123241130 |
7 | 104152525335 |
oct | 20005457316 |
9 | 5482557730 |
10 | 2148949710 |
11 | a030317a6 |
12 | 4bb8191a6 |
13 | 28329919b |
14 | 16558cd1c |
15 | c89d5c90 |
hex | 80165ece |
2148949710 has 32 divisors (see below), whose sum is σ = 5730533280. Its totient is φ = 573053184.
The previous prime is 2148949709. The next prime is 2148949717. The reversal of 2148949710 is 179498412.
It is a happy number.
2148949710 is a `hidden beast` number, since 2 + 148 + 9 + 497 + 10 = 666.
It is a super-2 number, since 2×21489497102 = 9235969712218168200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2148949717) 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, 3979267 + ... + 3979806.
It is an arithmetic number, because the mean of its divisors is an integer number (179079165).
Almost surely, 22148949710 is an apocalyptic number.
2148949710 is an abundant number, since it is smaller than the sum of its proper divisors (3581583570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2148949710 is a wasteful number, since it uses less digits than its factorization.
2148949710 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7959089 (or 7959083 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The square root of 2148949710 is about 46356.7655256490. The cubic root of 2148949710 is about 1290.4526805016.
The spelling of 2148949710 in words is "two billion, one hundred forty-eight million, nine hundred forty-nine thousand, seven hundred ten".
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