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6161405112 = 2332311275161
BaseRepresentation
bin1011011110011111…
…11001010010111000
3120220101202210212100
411233033321102320
5100104304430422
62455220143400
7305454036132
oct55717712270
916811683770
106161405112
112681a52945
12123b537b60
1377265bc55
14426426052
15260dbb7ac
hex16f3f94b8

6161405112 has 48 divisors (see below), whose sum is σ = 16740856080. Its totient is φ = 2047190400.

The previous prime is 6161405099. The next prime is 6161405141. The reversal of 6161405112 is 2115041616.

6161405112 is a `hidden beast` number, since 6 + 1 + 6 + 140 + 511 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115189 + ... + 159972.

It is an arithmetic number, because the mean of its divisors is an integer number (348767835).

Almost surely, 26161405112 is an apocalyptic number.

It is an amenable number.

6161405112 is an abundant number, since it is smaller than the sum of its proper divisors (10579450968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6161405112 is a wasteful number, since it uses less digits than its factorization.

6161405112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275484 (or 275477 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 6161405112 is about 78494.6183632993. The cubic root of 6161405112 is about 1833.2706609393.

Adding to 6161405112 its reverse (2115041616), we get a palindrome (8276446728).

The spelling of 6161405112 in words is "six billion, one hundred sixty-one million, four hundred five thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 311 622 933 1244 1866 2488 2799 3732 5598 7464 11196 22392 275161 550322 825483 1100644 1650966 2201288 2476449 3301932 4952898 6603864 9905796 19811592 85575071 171150142 256725213 342300284 513450426 684600568 770175639 1026900852 1540351278 2053801704 3080702556 6161405112