Base | Representation |
---|---|
bin | 1001001001000101100001… |
… | …01100001100100011001000 |
3 | 2122011212102022002220121212 |
4 | 10210202300230030203020 |
5 | 10113333241244233112 |
6 | 110431214001352252 |
7 | 4143265162525514 |
oct | 444426054144310 |
9 | 78155368086555 |
10 | 20103411321032 |
11 | 6450899661116 |
12 | 2308213938688 |
13 | b2a988781220 |
14 | 4d7020395144 |
15 | 24ce08812522 |
hex | 1248b0b0c8c8 |
20103411321032 has 128 divisors (see below), whose sum is σ = 42869645280000. Its totient is φ = 8768425374720.
The previous prime is 20103411321011. The next prime is 20103411321109. The reversal of 20103411321032 is 23012311430102.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a junction number, because it is equal to n+sod(n) for n = 20103411320989 and 20103411321007.
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, 90883607 + ... + 91104537.
It is an arithmetic number, because the mean of its divisors is an integer number (334919103750).
Almost surely, 220103411321032 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 20103411321032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21434822640000).
20103411321032 is an abundant number, since it is smaller than the sum of its proper divisors (22766233958968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20103411321032 is a wasteful number, since it uses less digits than its factorization.
20103411321032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221431 (or 221427 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 20103411321032 its reverse (23012311430102), we get a palindrome (43115722751134).
The spelling of 20103411321032 in words is "twenty trillion, one hundred three billion, four hundred eleven million, three hundred twenty-one thousand, thirty-two".
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