Base | Representation |
---|---|
bin | 11101100000011100… |
… | …111101110010110100 |
3 | 10000210001002222201200 |
4 | 131200130331302310 |
5 | 1004341320230243 |
6 | 22315512052500 |
7 | 2201063601120 |
oct | 354034756264 |
9 | 100701088650 |
10 | 31682976948 |
11 | 1248923a577 |
12 | 6182694130 |
13 | 2cabc6124c |
14 | 1767b7c580 |
15 | c56768ad3 |
hex | 76073dcb4 |
31682976948 has 36 divisors (see below), whose sum is σ = 91528600800. Its totient is φ = 9052279056.
The previous prime is 31682976947. The next prime is 31682976967. The reversal of 31682976948 is 84967928613.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×316829769482 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31682976943) 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 11 ways as a sum of consecutive naturals, for example, 62862798 + ... + 62863301.
Almost surely, 231682976948 is an apocalyptic number.
It is an amenable number.
31682976948 is an abundant number, since it is smaller than the sum of its proper divisors (59845623852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31682976948 is a wasteful number, since it uses less digits than its factorization.
31682976948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125726116 (or 125726111 counting only the distinct ones).
The product of its digits is 31352832, while the sum is 63.
The spelling of 31682976948 in words is "thirty-one billion, six hundred eighty-two million, nine hundred seventy-six thousand, nine hundred forty-eight".
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