Search a number
-
+
4061219161 = 26915097469
BaseRepresentation
bin1111001000010001…
…0100100101011001
3101111000220022100111
43302010110211121
531304133003121
61510554004321
7202432536046
oct36204244531
911430808314
104061219161
1117a44a807a
129541166a1
134c950757c
142a752c1cd
1518b8192e1
hexf2114959

4061219161 has 4 divisors (see below), whose sum is σ = 4076316900. Its totient is φ = 4046121424.

The previous prime is 4061219117. The next prime is 4061219167. The reversal of 4061219161 is 1619121604.

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

It can be written as a sum of positive squares in 2 ways, for example, as 949810761 + 3111408400 = 30819^2 + 55780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4061219161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4061219167) 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, 7548466 + ... + 7549003.

It is an arithmetic number, because the mean of its divisors is an integer number (1019079225).

Almost surely, 24061219161 is an apocalyptic number.

It is an amenable number.

4061219161 is a deficient number, since it is larger than the sum of its proper divisors (15097739).

4061219161 is a wasteful number, since it uses less digits than its factorization.

4061219161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15097738.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 4061219161 is about 63727.6954000378. The cubic root of 4061219161 is about 1595.4583655926.

The spelling of 4061219161 in words is "four billion, sixty-one million, two hundred nineteen thousand, one hundred sixty-one".

Divisors: 1 269 15097469 4061219161