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206175032040 = 23351718125267
BaseRepresentation
bin1100000000000011111…
…1010101001011101000
3201201011200200210222210
43000000333111023220
511334221302011130
6234414314245120
720616131566605
oct3000077251350
9651150623883
10206175032040
117a49048116a
1233b5b7267a0
131659973c7a3
149d9c2536ac
15556a6335b0
hex3000fd52e8

206175032040 has 32 divisors (see below), whose sum is σ = 618525096480. Its totient is φ = 54980008512.

The previous prime is 206175031891. The next prime is 206175032047. The reversal of 206175032040 is 40230571602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 206175031989 and 206175032007.

It is not an unprimeable number, because it can be changed into a prime (206175032047) 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, 859062514 + ... + 859062753.

It is an arithmetic number, because the mean of its divisors is an integer number (19328909265).

Almost surely, 2206175032040 is an apocalyptic number.

206175032040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206175032040 is an abundant number, since it is smaller than the sum of its proper divisors (412350064440).

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

206175032040 is a wasteful number, since it uses less digits than its factorization.

206175032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718125281 (or 1718125277 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 206175032040 in words is "two hundred six billion, one hundred seventy-five million, thirty-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1718125267 3436250534 5154375801 6872501068 8590626335 10308751602 13745002136 17181252670 20617503204 25771879005 34362505340 41235006408 51543758010 68725010680 103087516020 206175032040