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83770141369 is a prime number
BaseRepresentation
bin100111000000100010…
…1101110101010111001
322000020002022002200111
41032001011232222321
52333030124010434
6102252232504321
76023621311255
oct1160105565271
9260202262614
1083770141369
11325880740a2
121429a54b0a1
137b902466b5
1440a9777265
1522a448c964
hex138116eab9

83770141369 has 2 divisors, whose sum is σ = 83770141370. Its totient is φ = 83770141368.

The previous prime is 83770141361. The next prime is 83770141373. The reversal of 83770141369 is 96314107738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71848122025 + 11922019344 = 268045^2 + 109188^2 .

It is a cyclic number.

It is not a de Polignac number, because 83770141369 - 23 = 83770141361 is a prime.

It is a super-2 number, since 2×837701413692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83770141361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41885070684 + 41885070685.

It is an arithmetic number, because the mean of its divisors is an integer number (41885070685).

Almost surely, 283770141369 is an apocalyptic number.

It is an amenable number.

83770141369 is a deficient number, since it is larger than the sum of its proper divisors (1).

83770141369 is an equidigital number, since it uses as much as digits as its factorization.

83770141369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 83770141369 in words is "eighty-three billion, seven hundred seventy million, one hundred forty-one thousand, three hundred sixty-nine".