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61160106561 = 3374716770199
BaseRepresentation
bin111000111101011011…
…010010101001000001
312211212100112022202220
4320331123102221001
52000223441402221
644032505201253
74263414220401
oct707533225101
9184770468686
1061160106561
1123a35316314
12ba2a490229
1359c8bc4488
142d6299a801
1518ce50d0c6
hexe3d6d2a41

61160106561 has 32 divisors (see below), whose sum is σ = 86046105600. Its totient is φ = 38594298816.

The previous prime is 61160106547. The next prime is 61160106571. The reversal of 61160106561 is 16560106116.

61160106561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61160106561 - 211 = 61160104513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61160106571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 836140 + ... + 906338.

It is an arithmetic number, because the mean of its divisors is an integer number (2688940800).

Almost surely, 261160106561 is an apocalyptic number.

It is an amenable number.

61160106561 is a deficient number, since it is larger than the sum of its proper divisors (24885999039).

61160106561 is a wasteful number, since it uses less digits than its factorization.

61160106561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70453.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 61160106561 in words is "sixty-one billion, one hundred sixty million, one hundred six thousand, five hundred sixty-one".

Divisors: 1 3 37 47 111 141 167 501 1739 5217 6179 7849 18537 23547 70199 210597 290413 871239 2597363 3299353 7792089 9898059 11723233 35169699 122076061 366228183 433759621 550991951 1301278863 1652975853 20386702187 61160106561