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6161285242 = 272811566163
BaseRepresentation
bin1011011110011110…
…11100000001111010
3120220101112201102201
411233033130001322
5100104242111432
62455213420414
7305453026510
oct55717340172
916811481381
106161285242
112681980882
12123b49a70a
13772619518
144263d44b0
15260d95ee7
hex16f3dc07a

6161285242 has 16 divisors (see below), whose sum is σ = 10599797952. Its totient is φ = 2631152160.

The previous prime is 6161285237. The next prime is 6161285261. The reversal of 6161285242 is 2425821616.

It is a super-2 number, since 2×61612852422 = 75922871666573997128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779148 + ... + 787015.

It is an arithmetic number, because the mean of its divisors is an integer number (662487372).

Almost surely, 26161285242 is an apocalyptic number.

6161285242 is a deficient number, since it is larger than the sum of its proper divisors (4438512710).

6161285242 is a wasteful number, since it uses less digits than its factorization.

6161285242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566453.

The product of its digits is 46080, while the sum is 37.

The square root of 6161285242 is about 78493.8548040546. The cubic root of 6161285242 is about 1833.2587721155.

The spelling of 6161285242 in words is "six billion, one hundred sixty-one million, two hundred eighty-five thousand, two hundred forty-two".

Divisors: 1 2 7 14 281 562 1967 3934 1566163 3132326 10963141 21926282 440091803 880183606 3080642621 6161285242