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205100142001 = 1327514730029
BaseRepresentation
bin1011111100000011101…
…0111100110110110001
3201121101210002202001121
42333000322330312301
511330021114021001
6234115515502241
720550400304446
oct2770072746661
9647353082047
10205100142001
1179a89757397
12338bb757981
1316457b41091
149cd95ad9cd
1555060ac6a1
hex2fc0ebcdb1

205100142001 has 8 divisors (see below), whose sum is σ = 205301416320. Its totient is φ = 204898940688.

The previous prime is 205100141989. The next prime is 205100142047. The reversal of 205100142001 is 100241001502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205100142001 - 215 = 205100109233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205109142001) 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, 6815055 + ... + 6845083.

It is an arithmetic number, because the mean of its divisors is an integer number (25662677040).

Almost surely, 2205100142001 is an apocalyptic number.

It is an amenable number.

205100142001 is a deficient number, since it is larger than the sum of its proper divisors (201274319).

205100142001 is a wasteful number, since it uses less digits than its factorization.

205100142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36503.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 205100142001 its reverse (100241001502), we get a palindrome (305341143503).

The spelling of 205100142001 in words is "two hundred five billion, one hundred million, one hundred forty-two thousand, one".

Divisors: 1 1327 5147 30029 6830069 39848483 154559263 205100142001