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2750125139 = 17161772067
BaseRepresentation
bin1010001111101011…
…1001010001010011
321002122211211110122
42203322321101103
521113013001024
61132520420455
7125102451356
oct24372712123
97078754418
102750125139
1111914127a3
1264901772b
1334a9b6aa8
141c136029d
15111686d5e
hexa3eb9453

2750125139 has 4 divisors (see below), whose sum is σ = 2911897224. Its totient is φ = 2588353056.

The previous prime is 2750125127. The next prime is 2750125141. The reversal of 2750125139 is 9315210572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2750125139 - 24 = 2750125123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2750125099 and 2750125108.

It is not an unprimeable number, because it can be changed into a prime (2750121139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80886017 + ... + 80886050.

It is an arithmetic number, because the mean of its divisors is an integer number (727974306).

Almost surely, 22750125139 is an apocalyptic number.

2750125139 is a deficient number, since it is larger than the sum of its proper divisors (161772085).

2750125139 is a wasteful number, since it uses less digits than its factorization.

2750125139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161772084.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 2750125139 is about 52441.6355484838. The cubic root of 2750125139 is about 1401.0409161811.

The spelling of 2750125139 in words is "two billion, seven hundred fifty million, one hundred twenty-five thousand, one hundred thirty-nine".

Divisors: 1 17 161772067 2750125139