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3860261161 = 621312
BaseRepresentation
bin1110011000010110…
…1110100100101001
3100222000202120210121
43212011232210221
530401211324121
61435014443241
7164442451501
oct34605564451
910860676717
103860261161
111701020389
128b8963521
134969a6203
1428897aa01
15178d71141
hexe616e929

3860261161 has 3 divisors (see below), whose sum is σ = 3860323293. Its totient is φ = 3860199030.

The previous prime is 3860261147. The next prime is 3860261183. The reversal of 3860261161 is 1611620683.

It is a happy number.

The square root of 3860261161 is 62131.

It is a perfect power (a square), and thus also a powerful number.

3860261161 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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1611620683 = 2955573127.

It is not a de Polignac number, because 3860261161 - 213 = 3860252969 is a prime.

It is a super-2 number, since 2×38602611612 = 29803232462250135842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3860261101) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31066 + ... + 93196.

It is an arithmetic number, because the mean of its divisors is an integer number (1286774431).

Almost surely, 23860261161 is an apocalyptic number.

3860261161 is the 62131-st square number.

3860261161 is the 31066-th centered octagonal number.

It is an amenable number.

3860261161 is a deficient number, since it is larger than the sum of its proper divisors (62132).

3860261161 is an frugal number, since it uses more digits than its factorization.

3860261161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124262 (or 62131 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The cubic root of 3860261161 is about 1568.6963851118.

The spelling of 3860261161 in words is "three billion, eight hundred sixty million, two hundred sixty-one thousand, one hundred sixty-one".

Divisors: 1 62131 3860261161