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61482793087 = 127484116481
BaseRepresentation
bin111001010000101010…
…001111100001111111
312212200211201111110201
4321100222033201333
52001404043334322
644124513344331
74304413055422
oct712052174177
9185624644421
1061482793087
11240904854a1
12baba5680a7
135a4aa06451
142d937979b9
1518ec9edd27
hexe50a8f87f

61482793087 has 4 divisors (see below), whose sum is σ = 61966909696. Its totient is φ = 60998676480.

The previous prime is 61482793039. The next prime is 61482793109. The reversal of 61482793087 is 78039728416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61482793087 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 (61482793027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242058114 + ... + 242058367.

It is an arithmetic number, because the mean of its divisors is an integer number (15491727424).

Almost surely, 261482793087 is an apocalyptic number.

61482793087 is a deficient number, since it is larger than the sum of its proper divisors (484116609).

61482793087 is a wasteful number, since it uses less digits than its factorization.

61482793087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484116608.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 61482793087 in words is "sixty-one billion, four hundred eighty-two million, seven hundred ninety-three thousand, eighty-seven".

Divisors: 1 127 484116481 61482793087