Base | Representation |
---|---|
bin | 1100001111000111101… |
… | …00110100110001111100 |
3 | 1111012012202221101012000 |
4 | 12013203310310301330 |
5 | 23342022112302140 |
6 | 521051133542300 |
7 | 42242514625362 |
oct | 6074364646174 |
9 | 1435182841160 |
10 | 420434103420 |
11 | 15233a0aa781 |
12 | 69596644990 |
13 | 30853c381b6 |
14 | 164c5da9632 |
15 | ae0a812a30 |
hex | 61e3d34c7c |
420434103420 has 96 divisors (see below), whose sum is σ = 1317427641600. Its totient is φ = 111309152832.
The previous prime is 420434103359. The next prime is 420434103493. The reversal of 420434103420 is 24301434024.
It is a happy number.
420434103420 is a `hidden beast` number, since 4 + 204 + 3 + 410 + 3 + 42 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2725594 + ... + 2875713.
It is an arithmetic number, because the mean of its divisors is an integer number (13723204600).
Almost surely, 2420434103420 is an apocalyptic number.
It is an amenable number.
420434103420 is an abundant number, since it is smaller than the sum of its proper divisors (896993538180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420434103420 is a wasteful number, since it uses less digits than its factorization.
420434103420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5601464 (or 5601456 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 27.
Adding to 420434103420 its reverse (24301434024), we get a palindrome (444735537444).
The spelling of 420434103420 in words is "four hundred twenty billion, four hundred thirty-four million, one hundred three thousand, four hundred twenty".
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