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61482197077 = 732359271429
BaseRepresentation
bin111001010000100111…
…111110000001010101
312212200210121012220021
4321100213332001111
52001403420301302
644124452505141
74304405023660
oct712047760125
9185623535807
1061482197077
1124090108724
12baba31b1b1
135a4a858092
142d936806d7
1518ec932437
hexe509fe055

61482197077 has 8 divisors (see below), whose sum is σ = 70267798400. Its totient is φ = 52697203344.

The previous prime is 61482197053. The next prime is 61482197099. The reversal of 61482197077 is 77079128416.

61482197077 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 a cyclic number.

It is not a de Polignac number, because 61482197077 - 219 = 61481672789 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 (61482198077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90799 + ... + 362227.

It is an arithmetic number, because the mean of its divisors is an integer number (8783474800).

Almost surely, 261482197077 is an apocalyptic number.

It is an amenable number.

61482197077 is a deficient number, since it is larger than the sum of its proper divisors (8785601323).

61482197077 is a wasteful number, since it uses less digits than its factorization.

61482197077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303795.

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 61482197077 in words is "sixty-one billion, four hundred eighty-two million, one hundred ninety-seven thousand, seventy-seven".

Divisors: 1 7 32359 226513 271429 1900003 8783171011 61482197077