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1109109282020 = 225101549064001
BaseRepresentation
bin10000001000111100000…
…100001001010011100100
310221000210201210020111022
4100020330010021103210
5121132423434011040
62205303501030312
7143062522230035
oct20107404112344
93830721706438
101109109282020
11398409303443
1215ab52555398
138078609bb8c
143b977208a8c
151dcb55676b5
hex1023c1094e4

1109109282020 has 24 divisors (see below), whose sum is σ = 2352190184568. Its totient is φ = 439251200000.

The previous prime is 1109109282019. The next prime is 1109109282037. The reversal of 1109109282020 is 202829019011.

It can be written as a sum of positive squares in 4 ways, for example, as 636433781824 + 472675500196 = 797768^2 + 687514^2 .

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, 274529981 + ... + 274534020.

It is an arithmetic number, because the mean of its divisors is an integer number (98007924357).

Almost surely, 21109109282020 is an apocalyptic number.

1109109282020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1109109282020 is an abundant number, since it is smaller than the sum of its proper divisors (1243080902548).

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

1109109282020 is a wasteful number, since it uses less digits than its factorization.

1109109282020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549064111 (or 549064109 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 1109109282020 in words is "one trillion, one hundred nine billion, one hundred nine million, two hundred eighty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 549064001 1098128002 2196256004 2745320005 5490640010 10981280020 55455464101 110910928202 221821856404 277277320505 554554641010 1109109282020