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61061059868943 = 379809725502773
BaseRepresentation
bin11011110001000111000101…
…10010000111100100001111
322000012101021020201200001210
431320203202302013210033
531000411022311301233
6333511021425505503
715601341662133201
oct1570434262074417
9260171236650053
1061061059868943
111850193948a302
126a220614a2293
13280c0580437a4
14111152a2c6771
1570d511b27163
hex3788e2c8790f

61061059868943 has 8 divisors (see below), whose sum is σ = 81414851695408. Its totient is φ = 40707320644224.

The previous prime is 61061059868933. The next prime is 61061059868947. The reversal of 61061059868943 is 34986895016016.

61061059868943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61061059868943 - 213 = 61061059860751 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 (61061059868947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10357096 + ... + 15145677.

It is an arithmetic number, because the mean of its divisors is an integer number (10176856461926).

Almost surely, 261061059868943 is an apocalyptic number.

61061059868943 is a deficient number, since it is larger than the sum of its proper divisors (20353791826465).

61061059868943 is a wasteful number, since it uses less digits than its factorization.

61061059868943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26300873.

The product of its (nonzero) digits is 67184640, while the sum is 66.

The spelling of 61061059868943 in words is "sixty-one trillion, sixty-one billion, fifty-nine million, eight hundred sixty-eight thousand, nine hundred forty-three".

Divisors: 1 3 798097 2394291 25502773 76508319 20353686622981 61061059868943