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3127142061 = 321737552401
BaseRepresentation
bin1011101001100100…
…0110011010101101
322001221021021110100
42322121012122231
522401022021221
61234145301313
7140331161151
oct27231063255
98057237410
103127142061
11136521012a
12733334839
133aab3c224
14219461061
1513480a926
hexba6466ad

3127142061 has 24 divisors (see below), whose sum is σ = 4911958584. Its totient is φ = 1909094400.

The previous prime is 3127142059. The next prime is 3127142101. The reversal of 3127142061 is 1602417213.

It can be written as a sum of positive squares in 4 ways, for example, as 791353161 + 2335788900 = 28131^2 + 48330^2 .

It is not a de Polignac number, because 3127142061 - 21 = 3127142059 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3127142561) 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 23 ways as a sum of consecutive naturals, for example, 270540 + ... + 281861.

It is an arithmetic number, because the mean of its divisors is an integer number (204664941).

Almost surely, 23127142061 is an apocalyptic number.

It is an amenable number.

3127142061 is a deficient number, since it is larger than the sum of its proper divisors (1784816523).

3127142061 is a wasteful number, since it uses less digits than its factorization.

3127142061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552461 (or 552458 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3127142061 is about 55920.8553314414. The cubic root of 3127142061 is about 1462.3428421089.

Adding to 3127142061 its reverse (1602417213), we get a palindrome (4729559274).

The spelling of 3127142061 in words is "three billion, one hundred twenty-seven million, one hundred forty-two thousand, sixty-one".

Divisors: 1 3 9 17 37 51 111 153 333 629 1887 5661 552401 1657203 4971609 9390817 20438837 28172451 61316511 84517353 183949533 347460229 1042380687 3127142061