Base | Representation |
---|---|
bin | 11101100100000111… |
… | …111111110011010000 |
3 | 10000221100001012120211 |
4 | 131210013333303100 |
5 | 1010003103322013 |
6 | 22325552413504 |
7 | 2202442361116 |
oct | 354407776320 |
9 | 100840035524 |
10 | 31744589008 |
11 | 1250aaa1630 |
12 | 619b247294 |
13 | 2cbb953ba2 |
14 | 1772019ab6 |
15 | c5bd8923d |
hex | 7641ffcd0 |
31744589008 has 40 divisors (see below), whose sum is σ = 68656918176. Its totient is φ = 14093788800.
The previous prime is 31744589003. The next prime is 31744589011. The reversal of 31744589008 is 80098544713.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31744589003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089723 + ... + 2104858.
Almost surely, 231744589008 is an apocalyptic number.
It is an amenable number.
31744589008 is an abundant number, since it is smaller than the sum of its proper divisors (36912329168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31744589008 is a wasteful number, since it uses less digits than its factorization.
31744589008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4194643 (or 4194637 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 49.
The spelling of 31744589008 in words is "thirty-one billion, seven hundred forty-four million, five hundred eighty-nine thousand, eight".
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