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101120112020 = 2255056005601
BaseRepresentation
bin101111000101100111…
…0100111010110010100
3100200000020022221002002
41132023032213112110
53124043222041040
6114242014534432
710206564525134
oct1361316472624
9320006287062
10101120112020
1139980737914
1217720b07418
1396c68b2815
144c73b16ac4
15296c744a15
hex178b3a7594

101120112020 has 12 divisors (see below), whose sum is σ = 212352235284. Its totient is φ = 40448044800.

The previous prime is 101120112019. The next prime is 101120112043. The reversal of 101120112020 is 20211021101.

It can be written as a sum of positive squares in 2 ways, for example, as 59190997264 + 41929114756 = 243292^2 + 204766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101120111992 and 101120112010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2528002781 + ... + 2528002820.

It is an arithmetic number, because the mean of its divisors is an integer number (17696019607).

Almost surely, 2101120112020 is an apocalyptic number.

101120112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101120112020 is an abundant number, since it is smaller than the sum of its proper divisors (111232123264).

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

101120112020 is a wasteful number, since it uses less digits than its factorization.

101120112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056005610 (or 5056005608 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101120112020 its reverse (20211021101), we get a palindrome (121331133121).

The spelling of 101120112020 in words is "one hundred one billion, one hundred twenty million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 5056005601 10112011202 20224022404 25280028005 50560056010 101120112020