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61055262825 = 3522422933599
BaseRepresentation
bin111000110111001011…
…010110000001101001
312211121001020201012120
4320313023112001221
52000020121402300
644014242101453
74261002112464
oct706713260151
9184531221176
1061055262825
11239911166a7
12b9bb34a889
1359b027606b
142d52aa82db
1518c51ed3a0
hexe372d6069

61055262825 has 24 divisors (see below), whose sum is σ = 100951872000. Its totient is φ = 32560493760.

The previous prime is 61055262811. The next prime is 61055262841. The reversal of 61055262825 is 52826255016.

61055262825 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 61055262825 - 26 = 61055262761 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1800376 + ... + 1833974.

It is an arithmetic number, because the mean of its divisors is an integer number (4206328000).

Almost surely, 261055262825 is an apocalyptic number.

It is an amenable number.

61055262825 is a deficient number, since it is larger than the sum of its proper divisors (39896609175).

61055262825 is a wasteful number, since it uses less digits than its factorization.

61055262825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57841 (or 57836 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 61055262825 in words is "sixty-one billion, fifty-five million, two hundred sixty-two thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 24229 33599 72687 100797 121145 167995 363435 503985 605725 839975 1817175 2519925 814070171 2442210513 4070350855 12211052565 20351754275 61055262825