Search a number
-
+
3260912085 = 32572464713
BaseRepresentation
bin1100001001011101…
…1001000111010101
322102020222111102200
43002113121013111
523134243141320
61255324355113
7143544203214
oct30227310725
98366874380
103260912085
111423777572
127700a5a99
133cc7779a2
1422d12307b
15141431290
hexc25d91d5

3260912085 has 12 divisors (see below), whose sum is σ = 5652247692. Its totient is φ = 1739153088.

The previous prime is 3260912059. The next prime is 3260912087. The reversal of 3260912085 is 5802190623.

3260912085 is a `hidden beast` number, since 32 + 609 + 12 + 0 + 8 + 5 = 666.

3260912085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1700820081 + 1560092004 = 41241^2 + 39498^2 .

It is not a de Polignac number, because 3260912085 - 26 = 3260912021 is a prime.

It is a super-3 number, since 3×32609120853 (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3260912087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36232312 + ... + 36232401.

It is an arithmetic number, because the mean of its divisors is an integer number (471020641).

Almost surely, 23260912085 is an apocalyptic number.

It is an amenable number.

3260912085 is a deficient number, since it is larger than the sum of its proper divisors (2391335607).

3260912085 is a wasteful number, since it uses less digits than its factorization.

3260912085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72464724 (or 72464721 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 3260912085 is about 57104.3963719082. The cubic root of 3260912085 is about 1482.9039776006.

The spelling of 3260912085 in words is "three billion, two hundred sixty million, nine hundred twelve thousand, eighty-five".

Divisors: 1 3 5 9 15 45 72464713 217394139 362323565 652182417 1086970695 3260912085