Base | Representation |
---|---|
bin | 1001011000001110000111… |
… | …11011110101110010100000 |
3 | 2201000120122222000122102100 |
4 | 10230013003323311302200 |
5 | 10200343233324411112 |
6 | 111510134252250400 |
7 | 4225664463041010 |
oct | 454070373656240 |
9 | 81016588018370 |
10 | 20623425232032 |
11 | 663138898a127 |
12 | 2390b5b470a00 |
13 | b67a1c13768c |
14 | 514271681c40 |
15 | 25b6e150d2dc |
hex | 12c1c3ef5ca0 |
20623425232032 has 576 divisors, whose sum is σ = 72274725169920. Its totient is φ = 5452800933888.
The previous prime is 20623425231989. The next prime is 20623425232037. The reversal of 20623425232032 is 23023252432602.
20623425232032 is a `hidden beast` number, since 2 + 0 + 6 + 2 + 3 + 425 + 23 + 203 + 2 = 666.
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 (20623425232037) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 144861108 + ... + 145003404.
It is an arithmetic number, because the mean of its divisors is an integer number (125476953420).
Almost surely, 220623425232032 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 20623425232032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36137362584960).
20623425232032 is an abundant number, since it is smaller than the sum of its proper divisors (51651299937888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20623425232032 is a wasteful number, since it uses less digits than its factorization.
20623425232032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142453 (or 142442 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 36.
Adding to 20623425232032 its reverse (23023252432602), we get a palindrome (43646677664634).
The spelling of 20623425232032 in words is "twenty trillion, six hundred twenty-three billion, four hundred twenty-five million, two hundred thirty-two thousand, thirty-two".
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