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2371216139 = 13717308147
BaseRepresentation
bin1000110101010101…
…1110001100001011
320010020212021000222
42031111132030023
514324012404024
61031143220255
7112522001405
oct21525361413
96106767028
102371216139
111007542866
1256214768b
132ba34b396
14186cc9b75
15dd28c85e
hex8d55e30b

2371216139 has 4 divisors (see below), whose sum is σ = 2388524424. Its totient is φ = 2353907856.

The previous prime is 2371216103. The next prime is 2371216163. The reversal of 2371216139 is 9316121732.

2371216139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2371216139 - 216 = 2371150603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2371216099 and 2371216108.

It is not an unprimeable number, because it can be changed into a prime (2371215139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8653937 + ... + 8654210.

It is an arithmetic number, because the mean of its divisors is an integer number (597131106).

Almost surely, 22371216139 is an apocalyptic number.

2371216139 is a deficient number, since it is larger than the sum of its proper divisors (17308285).

2371216139 is a wasteful number, since it uses less digits than its factorization.

2371216139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17308284.

The product of its digits is 13608, while the sum is 35.

The square root of 2371216139 is about 48695.1346542958. The cubic root of 2371216139 is about 1333.4918960940.

The spelling of 2371216139 in words is "two billion, three hundred seventy-one million, two hundred sixteen thousand, one hundred thirty-nine".

Divisors: 1 137 17308147 2371216139