Base | Representation |
---|---|
bin | 1000000101111000… |
… | …0101110010001010 |
3 | 12121101021121002022 |
4 | 2001132011302022 |
5 | 13422032230444 |
6 | 555312404442 |
7 | 104553650360 |
oct | 20136056212 |
9 | 5541247068 |
10 | 2172148874 |
11 | a15137665 |
12 | 507546722 |
13 | 28802c7bc |
14 | 1686ab630 |
15 | caa699ee |
hex | 81785c8a |
2172148874 has 8 divisors (see below), whose sum is σ = 3723683808. Its totient is φ = 930920940.
The previous prime is 2172148841. The next prime is 2172148883. The reversal of 2172148874 is 4788412712.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77576732 + ... + 77576759.
It is an arithmetic number, because the mean of its divisors is an integer number (465460476).
Almost surely, 22172148874 is an apocalyptic number.
2172148874 is a deficient number, since it is larger than the sum of its proper divisors (1551534934).
2172148874 is a wasteful number, since it uses less digits than its factorization.
2172148874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155153500.
The product of its digits is 200704, while the sum is 44.
The square root of 2172148874 is about 46606.3179622677. The cubic root of 2172148874 is about 1295.0797989019.
The spelling of 2172148874 in words is "two billion, one hundred seventy-two million, one hundred forty-eight thousand, eight hundred seventy-four".
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