Search a number
-
+
61628042361 = 3291955936217
BaseRepresentation
bin111001011001010100…
…010100110001111001
312220001222000221000110
4321121110110301321
52002203234323421
644151142454533
74311125500614
oct713124246171
9186058027013
1061628042361
1124155472416
12bb3b134449
135a71b30b72
142da8ba717b
15190a640a76
hexe59514c79

61628042361 has 16 divisors (see below), whose sum is σ = 85010889600. Its totient is φ = 39665501568.

The previous prime is 61628042353. The next prime is 61628042383. The reversal of 61628042361 is 16324082616.

61628042361 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 61628042361 - 23 = 61628042353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61628042351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1683525 + ... + 1719741.

It is an arithmetic number, because the mean of its divisors is an integer number (5313180600).

Almost surely, 261628042361 is an apocalyptic number.

It is an amenable number.

61628042361 is a deficient number, since it is larger than the sum of its proper divisors (23382847239).

61628042361 is a wasteful number, since it uses less digits than its factorization.

61628042361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55808.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 61628042361 in words is "sixty-one billion, six hundred twenty-eight million, forty-two thousand, three hundred sixty-one".

Divisors: 1 3 29 87 19559 36217 58677 108651 567211 1050293 1701633 3150879 708368303 2125104909 20542680787 61628042361