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6161411605 = 510993112097
BaseRepresentation
bin1011011110011111…
…11010111000010101
3120220101210010202211
411233033322320111
5100104310132410
62455220233421
7305454064066
oct55717727025
916811703684
106161411605
112681a57808
12123b53b871
13772661bab
1442642856d
15260dbd68a
hex16f3fae15

6161411605 has 8 divisors (see below), whose sum is σ = 7394432472. Its totient is φ = 4928636928.

The previous prime is 6161411593. The next prime is 6161411611. The reversal of 6161411605 is 5061141616.

6161411605 is digitally balanced in base 3, 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 4 ways, for example, as 143065521 + 6018346084 = 11961^2 + 77578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6161411605 - 215 = 6161378837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084 + ... + 111013.

It is an arithmetic number, because the mean of its divisors is an integer number (924304059).

Almost surely, 26161411605 is an apocalyptic number.

It is an amenable number.

6161411605 is a deficient number, since it is larger than the sum of its proper divisors (1233020867).

6161411605 is a wasteful number, since it uses less digits than its factorization.

6161411605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123095.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 6161411605 is about 78494.6597228117. The cubic root of 6161411605 is about 1833.2713049170.

The spelling of 6161411605 in words is "six billion, one hundred sixty-one million, four hundred eleven thousand, six hundred five".

Divisors: 1 5 10993 54965 112097 560485 1232282321 6161411605