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61060510500051 = 320353503500017
BaseRepresentation
bin11011110001000110000100…
…00010011100010011010011
322000012022211221222211121210
431320203002002130103103
531000403411142000201
6333510451122551203
715601322241440466
oct1570430202342323
9260168757884553
1061060510500051
1118501687373327
126a21b29508503
13280bc9b29463a
1411114b735d2dd
1570d4cd7ab1d6
hex3788c209c4d3

61060510500051 has 4 divisors (see below), whose sum is σ = 81414014000072. Its totient is φ = 40707007000032.

The previous prime is 61060510500029. The next prime is 61060510500149. The reversal of 61060510500051 is 15000501506016.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61060510500051 - 230 = 61059436758227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61060510499991 and 61060510500018.

It is not an unprimeable number, because it can be changed into a prime (61060510504051) 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, 10176751750006 + ... + 10176751750011.

It is an arithmetic number, because the mean of its divisors is an integer number (20353503500018).

Almost surely, 261060510500051 is an apocalyptic number.

61060510500051 is a deficient number, since it is larger than the sum of its proper divisors (20353503500021).

61060510500051 is a wasteful number, since it uses less digits than its factorization.

61060510500051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20353503500020.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 61060510500051 in words is "sixty-one trillion, sixty billion, five hundred ten million, five hundred thousand, fifty-one".

Divisors: 1 3 20353503500017 61060510500051