Base | Representation |
---|---|
bin | 1100001111011011011… |
… | …11100000011001100100 |
3 | 1111012122101000020211200 |
4 | 12013231233200121210 |
5 | 23342342210401010 |
6 | 521115440002500 |
7 | 42246605050332 |
oct | 6075557403144 |
9 | 1435571006750 |
10 | 420600481380 |
11 | 152415008a22 |
12 | 69622300430 |
13 | 3087c54c9b1 |
14 | 16500118b52 |
15 | ae1a229cc0 |
hex | 61edbe0664 |
420600481380 has 72 divisors (see below), whose sum is σ = 1276042340664. Its totient is φ = 112140710400.
The previous prime is 420600481331. The next prime is 420600481381. The reversal of 420600481380 is 83184006024.
420600481380 is a `hidden beast` number, since 4 + 2 + 0 + 600 + 48 + 1 + 3 + 8 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 354267684 + 420246213696 = 18822^2 + 648264^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (420600481381) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 855640 + ... + 1254320.
It is an arithmetic number, because the mean of its divisors is an integer number (17722810287).
Almost surely, 2420600481380 is an apocalyptic number.
It is an amenable number.
420600481380 is an abundant number, since it is smaller than the sum of its proper divisors (855441859284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420600481380 is a wasteful number, since it uses less digits than its factorization.
420600481380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 404557 (or 404552 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
The spelling of 420600481380 in words is "four hundred twenty billion, six hundred million, four hundred eighty-one thousand, three hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •