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61145119063 = 759271473767
BaseRepresentation
bin111000111100100010…
…000111100101010111
312211211022022212210101
4320330202013211113
52000211122302223
644031212034531
74263142636150
oct707442074527
9184738285711
1061145119063
1123a27909a56
12ba25462a47
1359c5a77732
142d609b8927
1518cd04c4ad
hexe3c887957

61145119063 has 8 divisors (see below), whose sum is σ = 69891973632. Its totient is φ = 52401223896.

The previous prime is 61145119043. The next prime is 61145119093. The reversal of 61145119063 is 36091154116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61145119063 - 25 = 61145119031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61145119043) by changing a digit.

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, 695395 + ... + 778372.

It is an arithmetic number, because the mean of its divisors is an integer number (8736496704).

Almost surely, 261145119063 is an apocalyptic number.

61145119063 is a deficient number, since it is larger than the sum of its proper divisors (8746854569).

61145119063 is a wasteful number, since it uses less digits than its factorization.

61145119063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479701.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 61145119063 in words is "sixty-one billion, one hundred forty-five million, one hundred nineteen thousand, sixty-three".

Divisors: 1 7 5927 41489 1473767 10316369 8735017009 61145119063