Base | Representation |
---|---|
bin | 1100001111101101001… |
… | …00011111011100111100 |
3 | 1111020000200200220002220 |
4 | 12013312210133130330 |
5 | 23343143114320420 |
6 | 521142250245340 |
7 | 42253353665505 |
oct | 6076644373474 |
9 | 1436020626086 |
10 | 420748588860 |
11 | 1524906782a6 |
12 | 69663a26850 |
13 | 308a4138362 |
14 | 16515a6dbac |
15 | ae28233840 |
hex | 61f691f73c |
420748588860 has 48 divisors (see below), whose sum is σ = 1200324285216. Its totient is φ = 110082648832.
The previous prime is 420748588787. The next prime is 420748588877. The reversal of 420748588860 is 68885847024.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 420748588794 and 420748588803.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66152259 + ... + 66158618.
It is an arithmetic number, because the mean of its divisors is an integer number (25006755942).
Almost surely, 2420748588860 is an apocalyptic number.
It is an amenable number.
420748588860 is an abundant number, since it is smaller than the sum of its proper divisors (779575696356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420748588860 is a wasteful number, since it uses less digits than its factorization.
420748588860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132310942 (or 132310940 counting only the distinct ones).
The product of its (nonzero) digits is 27525120, while the sum is 60.
The spelling of 420748588860 in words is "four hundred twenty billion, seven hundred forty-eight million, five hundred eighty-eight thousand, eight hundred sixty".
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