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2111313002020 = 225949111122711
BaseRepresentation
bin11110101110010100000…
…011111011111000100100
321110211200000220020111121
4132232110003323320210
5234042432112031040
64253531312543324
7305352206260525
oct36562403737044
97424600806447
102111313002020
11744448169832
122a122a551b44
13124132a9c341
147428c1ba84c
1539dc04d2c4a
hex1eb940fbe24

2111313002020 has 24 divisors (see below), whose sum is σ = 4434224856768. Its totient is φ = 844436143200.

The previous prime is 2111313001937. The next prime is 2111313002033. The reversal of 2111313002020 is 202003131112.

It is a junction number, because it is equal to n+sod(n) for n = 2111313001985 and 2111313002003.

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, 5371536 + ... + 5751175.

It is an arithmetic number, because the mean of its divisors is an integer number (184759369032).

Almost surely, 22111313002020 is an apocalyptic number.

2111313002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111313002020 is an abundant number, since it is smaller than the sum of its proper divisors (2322911854748).

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

2111313002020 is a wasteful number, since it uses less digits than its factorization.

2111313002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132211 (or 11132209 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2111313002020 its reverse (202003131112), we get a palindrome (2313316133132).

The spelling of 2111313002020 in words is "two trillion, one hundred eleven billion, three hundred thirteen million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 9491 18982 37964 47455 94910 189820 11122711 22245422 44490844 55613555 111227110 222454220 105565650101 211131300202 422262600404 527828250505 1055656501010 2111313002020