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2103313311220 = 2251111818095271
BaseRepresentation
bin11110100110110111001…
…111100010010111110100
321110002000112001211202011
4132212313033202113310
5233430041201424340
64250125423454004
7304650031106032
oct36466717422764
97402015054664
102103313311220
11741012592720
1229b777457304
13123459636ba4
1473b2d993552
1539aa30490ea
hex1e9b73e25f4

2103313311220 has 48 divisors (see below), whose sum is σ = 4822580198016. Its totient is φ = 764193488000.

The previous prime is 2103313311199. The next prime is 2103313311227. The reversal of 2103313311220 is 221133133012.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2103313311191 and 2103313311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103313311227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3787816 + ... + 4307455.

It is an arithmetic number, because the mean of its divisors is an integer number (100470420792).

Almost surely, 22103313311220 is an apocalyptic number.

2103313311220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103313311220 is an abundant number, since it is smaller than the sum of its proper divisors (2719266886796).

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

2103313311220 is a wasteful number, since it uses less digits than its factorization.

2103313311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8096472 (or 8096470 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2103313311220 its reverse (221133133012), we get a palindrome (2324446444232).

The spelling of 2103313311220 in words is "two trillion, one hundred three billion, three hundred thirteen million, three hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1181 2362 4724 5905 11810 12991 23620 25982 51964 64955 129910 259820 8095271 16190542 32381084 40476355 80952710 89047981 161905420 178095962 356191924 445239905 890479810 1780959620 9560515051 19121030102 38242060204 47802575255 95605150510 105165665561 191210301020 210331331122 420662662244 525828327805 1051656655610 2103313311220