Base | Representation |
---|---|
bin | 11100100011010110000… |
… | …11101101101101001000 |
3 | 10110210020222011120201011 |
4 | 32101223003231231020 |
5 | 112033141430213430 |
6 | 2030404301533304 |
7 | 130610205120010 |
oct | 16215303555510 |
9 | 3423228146634 |
10 | 981048679240 |
11 | 349073449133 |
12 | 13a173274234 |
13 | 71687c43286 |
14 | 356a9540c40 |
15 | 1a7bcae522a |
hex | e46b0edb48 |
981048679240 has 32 divisors (see below), whose sum is σ = 2522696604480. Its totient is φ = 336359547072.
The previous prime is 981048679231. The next prime is 981048679243. The reversal of 981048679240 is 42976840189.
981048679240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×9810486792402 (a number of 25 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (981048679243) 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, 1751872362 + ... + 1751872921.
It is an arithmetic number, because the mean of its divisors is an integer number (78834268890).
Almost surely, 2981048679240 is an apocalyptic number.
It is an amenable number.
981048679240 is an abundant number, since it is smaller than the sum of its proper divisors (1541647925240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
981048679240 is a wasteful number, since it uses less digits than its factorization.
981048679240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3503745301 (or 3503745297 counting only the distinct ones).
The product of its (nonzero) digits is 6967296, while the sum is 58.
The spelling of 981048679240 in words is "nine hundred eighty-one billion, forty-eight million, six hundred seventy-nine thousand, two hundred forty".
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