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2005350512020 = 225118751844351
BaseRepresentation
bin11101001011101000001…
…101000111010110010100
321002201011022210000121221
4131023220031013112110
5230323424212341040
64133124553020124
7264611312051332
oct35135015072624
97081138700557
102005350512020
117035120a2749
122847979b4644
13117146bc820b
146d0b9312b52
153726cabe74a
hex1d2e8347594

2005350512020 has 24 divisors (see below), whose sum is σ = 4211276525568. Its totient is φ = 802132500000.

The previous prime is 2005350511909. The next prime is 2005350512023. The reversal of 2005350512020 is 202150535002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005350512023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952845 + ... + 2797195.

It is an arithmetic number, because the mean of its divisors is an integer number (175469855232).

Almost surely, 22005350512020 is an apocalyptic number.

2005350512020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005350512020 is an abundant number, since it is smaller than the sum of its proper divisors (2205926013548).

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

2005350512020 is a wasteful number, since it uses less digits than its factorization.

2005350512020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963111 (or 963109 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 2005350512020 in words is "two trillion, five billion, three hundred fifty million, five hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 118751 237502 475004 593755 844351 1187510 1688702 2375020 3377404 4221755 8443510 16887020 100267525601 200535051202 401070102404 501337628005 1002675256010 2005350512020