Base | Representation |
---|---|
bin | 1100001110011111111… |
… | …01001001110101100000 |
3 | 1111011100112122212222010 |
4 | 12013033331021311200 |
5 | 23340331242224441 |
6 | 520554104512520 |
7 | 42231326251551 |
oct | 6071775116540 |
9 | 1434315585863 |
10 | 420100742496 |
11 | 152188a0a786 |
12 | 69502a7b740 |
13 | 307ccb59706 |
14 | 164939d0328 |
15 | addb414116 |
hex | 61cff49d60 |
420100742496 has 48 divisors (see below), whose sum is σ = 1103141942784. Its totient is φ = 139985645184.
The previous prime is 420100742431. The next prime is 420100742497. The reversal of 420100742496 is 694247001024.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420100742497) 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, 466540 + ... + 1028523.
It is an arithmetic number, because the mean of its divisors is an integer number (22982123808).
Almost surely, 2420100742496 is an apocalyptic number.
It is an amenable number.
420100742496 is an abundant number, since it is smaller than the sum of its proper divisors (683041200288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420100742496 is a wasteful number, since it uses less digits than its factorization.
420100742496 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1498003 (or 1497995 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 39.
The spelling of 420100742496 in words is "four hundred twenty billion, one hundred million, seven hundred forty-two thousand, four hundred ninety-six".
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