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6161037973 is a prime number
BaseRepresentation
bin1011011110011100…
…11111101010010101
3120220101002011020121
411233032133222111
5100104211203343
62455204231541
7305450646556
oct55716375225
916811064217
106161037973
112681822022
12123b39b5b1
13772560acc
1442636c32d
15260d47aed
hex16f39fa95

6161037973 has 2 divisors, whose sum is σ = 6161037974. Its totient is φ = 6161037972.

The previous prime is 6161037923. The next prime is 6161037989. The reversal of 6161037973 is 3797301616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6111799684 + 49238289 = 78178^2 + 7017^2 .

It is a cyclic number.

It is not a de Polignac number, because 6161037973 - 229 = 5624167061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6161037923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080518986 + 3080518987.

It is an arithmetic number, because the mean of its divisors is an integer number (3080518987).

Almost surely, 26161037973 is an apocalyptic number.

It is an amenable number.

6161037973 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161037973 is an equidigital number, since it uses as much as digits as its factorization.

6161037973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 6161037973 is about 78492.2797031657. The cubic root of 6161037973 is about 1833.2342472472.

The spelling of 6161037973 in words is "six billion, one hundred sixty-one million, thirty-seven thousand, nine hundred seventy-three".