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51000105099 = 359288136187
BaseRepresentation
bin101111011111110101…
…111101100010001011
311212122021200202220110
4233133311331202023
51313422011330344
635232405125403
73453554512026
oct573765754213
9155567622813
1051000105099
111a6a1258899
129a739b9863
134a6a0159a8
14267b4a81bd
1514d75973b9
hexbdfd7d88b

51000105099 has 8 divisors (see below), whose sum is σ = 69152685120. Its totient is φ = 33423797576.

The previous prime is 51000105097. The next prime is 51000105119. The reversal of 51000105099 is 99050100015.

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 51000105099 - 21 = 51000105097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51000105097) 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, 144067917 + ... + 144068270.

It is an arithmetic number, because the mean of its divisors is an integer number (8644085640).

Almost surely, 251000105099 is an apocalyptic number.

51000105099 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

51000105099 is a deficient number, since it is larger than the sum of its proper divisors (18152580021).

51000105099 is a wasteful number, since it uses less digits than its factorization.

51000105099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288136249.

The product of its (nonzero) digits is 2025, while the sum is 30.

The spelling of 51000105099 in words is "fifty-one billion, one hundred five thousand, ninety-nine".

Divisors: 1 3 59 177 288136187 864408561 17000035033 51000105099