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2000385640040 = 235431163014907
BaseRepresentation
bin11101000111000000010…
…001101000011001101000
321002020100022111101122112
4131013000101220121220
5230233242210440130
64130544154341452
7264344264251034
oct35070021503150
97066308441575
102000385640040
117013a45a8967
1228383112a888
13116835418748
146cb67b971c4
153707bca6495
hex1d1c0468668

2000385640040 has 32 divisors (see below), whose sum is σ = 4605539035680. Its totient is φ = 781546016832.

The previous prime is 2000385640037. The next prime is 2000385640087. The reversal of 2000385640040 is 400465830002.

It is a junction number, because it is equal to n+sod(n) for n = 2000385639979 and 2000385640006.

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, 581505734 + ... + 581509173.

It is an arithmetic number, because the mean of its divisors is an integer number (143923094865).

Almost surely, 22000385640040 is an apocalyptic number.

2000385640040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000385640040 is an abundant number, since it is smaller than the sum of its proper divisors (2605153395640).

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

2000385640040 is a wasteful number, since it uses less digits than its factorization.

2000385640040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163014961 (or 1163014957 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 2000385640040 in words is "two trillion, three hundred eighty-five million, six hundred forty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 1163014907 2326029814 4652059628 5815074535 9304119256 11630149070 23260298140 46520596280 50009641001 100019282002 200038564004 250048205005 400077128008 500096410010 1000192820020 2000385640040