Base | Representation |
---|---|
bin | 101110000010110111000111… |
… | …1000101000010111010001110 |
3 | 1222010000220200200111010021210 |
4 | 1130011232033011002322032 |
5 | 411041220143001310110 |
6 | 3553220350532235250 |
7 | 151211155424424516 |
oct | 13405561705027216 |
9 | 1863026620433253 |
10 | 405013521510030 |
11 | 1080602a7236834 |
12 | 39512400a6bb26 |
13 | 144cb7c3a5a614 |
14 | 7202a8ab10846 |
15 | 31c54e7968520 |
hex | 1705b8f142e8e |
405013521510030 has 32 divisors (see below), whose sum is σ = 972100204274304. Its totient is φ = 107996077663776.
The previous prime is 405013521510011. The next prime is 405013521510047. The reversal of 405013521510030 is 30015125310504.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a self number, because there is not a number n which added to its sum of digits gives 405013521510030.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470066932 + ... + 470927751.
It is an arithmetic number, because the mean of its divisors is an integer number (30378131383572).
Almost surely, 2405013521510030 is an apocalyptic number.
405013521510030 is an abundant number, since it is smaller than the sum of its proper divisors (567086682764274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
405013521510030 is a wasteful number, since it uses less digits than its factorization.
405013521510030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 941009040.
The product of its (nonzero) digits is 9000, while the sum is 30.
Adding to 405013521510030 its reverse (30015125310504), we get a palindrome (435028646820534).
The spelling of 405013521510030 in words is "four hundred five trillion, thirteen billion, five hundred twenty-one million, five hundred ten thousand, thirty".
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