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213101303020 = 22522746938613
BaseRepresentation
bin1100011001110111010…
…0111101010011101100
3202101001101200211120121
43012131310331103230
511442412413144040
6241521500254324
721252564121504
oct3063564752354
9671041624517
10213101303020
1182415148061
12353732413a4
131713169c798
14a45809aa04
155823736c4a
hex319dd3d4ec

213101303020 has 24 divisors (see below), whose sum is σ = 449484167664. Its totient is φ = 84865010496.

The previous prime is 213101303017. The next prime is 213101303033. The reversal of 213101303020 is 20303101312.

It is a super-2 number, since 2×2131013030202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213101302985 and 213101303003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23464767 + ... + 23473846.

It is an arithmetic number, because the mean of its divisors is an integer number (18728506986).

Almost surely, 2213101303020 is an apocalyptic number.

213101303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213101303020 is an abundant number, since it is smaller than the sum of its proper divisors (236382864644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213101303020 is a wasteful number, since it uses less digits than its factorization.

213101303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46938849 (or 46938847 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 213101303020 its reverse (20303101312), we get a palindrome (233404404332).

The spelling of 213101303020 in words is "two hundred thirteen billion, one hundred one million, three hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 227 454 908 1135 2270 4540 46938613 93877226 187754452 234693065 469386130 938772260 10655065151 21310130302 42620260604 53275325755 106550651510 213101303020