Base | Representation |
---|---|
bin | 1100001111101000101… |
… | …10100101010010001100 |
3 | 1111012221002200220112101 |
4 | 12013310112211102030 |
5 | 23343104103411200 |
6 | 521134441044444 |
7 | 42252422540200 |
oct | 6076426452214 |
9 | 1435832626471 |
10 | 420711388300 |
11 | 152471679a35 |
12 | 69653486724 |
13 | 30899511aa8 |
14 | 16510b48b00 |
15 | ae24d3626a |
hex | 61f45a548c |
420711388300 has 108 divisors (see below), whose sum is σ = 1062242793360. Its totient is φ = 144210353280.
The previous prime is 420711388283. The next prime is 420711388309. The reversal of 420711388300 is 3883117024.
It is a self number, because there is not a number n which added to its sum of digits gives 420711388300.
It is not an unprimeable number, because it can be changed into a prime (420711388309) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30681846 + ... + 30695554.
It is an arithmetic number, because the mean of its divisors is an integer number (9835581420).
Almost surely, 2420711388300 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 420711388300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531121396680).
420711388300 is an abundant number, since it is smaller than the sum of its proper divisors (641531405060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420711388300 is a wasteful number, since it uses less digits than its factorization.
420711388300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20000 (or 19986 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 37.
The spelling of 420711388300 in words is "four hundred twenty billion, seven hundred eleven million, three hundred eighty-eight thousand, three hundred".
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