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61005163422 = 2371452503891
BaseRepresentation
bin111000110100001100…
…001110101110011110
312211110112222101202010
4320310030032232132
51444414310212142
644005252212050
74256523222210
oct706414165636
9184415871663
1061005163422
1123965908235
12b9a660a026
1359a2a84648
142d4a1865b0
1518c0b03e9c
hexe3430eb9e

61005163422 has 16 divisors (see below), whose sum is σ = 139440373632. Its totient is φ = 17430046680.

The previous prime is 61005163411. The next prime is 61005163517. The reversal of 61005163422 is 22436150016.

It is a self number, because there is not a number n which added to its sum of digits gives 61005163422.

It is a congruent number.

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, 726251904 + ... + 726251987.

It is an arithmetic number, because the mean of its divisors is an integer number (8715023352).

Almost surely, 261005163422 is an apocalyptic number.

61005163422 is an abundant number, since it is smaller than the sum of its proper divisors (78435210210).

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

61005163422 is a wasteful number, since it uses less digits than its factorization.

61005163422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452503903.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 61005163422 in words is "sixty-one billion, five million, one hundred sixty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 1452503891 2905007782 4357511673 8715023346 10167527237 20335054474 30502581711 61005163422