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61165110058057 = 63439642930799
BaseRepresentation
bin11011110100001000111001…
…01010000101110001001001
322000120022211200111221021201
431322010130222011301021
531004112121133324212
6334030510314304201
715612014306141215
oct1572043452056111
9260508750457251
1061165110058057
1118541a83069435
126a3a25b728061
132818aca998125
14111659b203945
157110a16ecb57
hex37a11ca85c49

61165110058057 has 4 divisors (see below), whose sum is σ = 61174752995200. Its totient is φ = 61155467120916.

The previous prime is 61165110058033. The next prime is 61165110058061. The reversal of 61165110058057 is 75085001156116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61165110058057 - 235 = 61130750319689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61165110057998 and 61165110058016.

It is not an unprimeable number, because it can be changed into a prime (61165110058027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4821459057 + ... + 4821471742.

It is an arithmetic number, because the mean of its divisors is an integer number (15293688248800).

Almost surely, 261165110058057 is an apocalyptic number.

It is an amenable number.

61165110058057 is a deficient number, since it is larger than the sum of its proper divisors (9642937143).

61165110058057 is an equidigital number, since it uses as much as digits as its factorization.

61165110058057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642937142.

The product of its (nonzero) digits is 252000, while the sum is 46.

The spelling of 61165110058057 in words is "sixty-one trillion, one hundred sixty-five billion, one hundred ten million, fifty-eight thousand, fifty-seven".

Divisors: 1 6343 9642930799 61165110058057