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3871746061 is a prime number
BaseRepresentation
bin1110011011000110…
…0010100000001101
3100222211101002010021
43212301202200031
530412131333221
61440104542141
7164642204251
oct34661424015
910884332107
103871746061
111707555137
12900781951
13499197901
1428a2ca261
15179d8e041
hexe6c6280d

3871746061 has 2 divisors, whose sum is σ = 3871746062. Its totient is φ = 3871746060.

The previous prime is 3871746037. The next prime is 3871746083. The reversal of 3871746061 is 1606471783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2568969225 + 1302776836 = 50685^2 + 36094^2 .

It is a cyclic number.

It is not a de Polignac number, because 3871746061 - 25 = 3871746029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3871745999 and 3871746017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3871746031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935873030 + 1935873031.

It is an arithmetic number, because the mean of its divisors is an integer number (1935873031).

Almost surely, 23871746061 is an apocalyptic number.

It is an amenable number.

3871746061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3871746061 is an equidigital number, since it uses as much as digits as its factorization.

3871746061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 3871746061 is about 62223.3562338130. The cubic root of 3871746061 is about 1570.2505531401.

The spelling of 3871746061 in words is "three billion, eight hundred seventy-one million, seven hundred forty-six thousand, sixty-one".