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61793895371 = 134753376567
BaseRepresentation
bin111001100011001101…
…000000001111001011
312220111112010010120112
4321203031000033023
52003023214122441
644215425344535
74315211305235
oct714315001713
9186445103515
1061793895371
112423005221a
12bb8679814b
135a9a2c0740
142dc2c1b255
151919ea24eb
hexe633403cb

61793895371 has 4 divisors (see below), whose sum is σ = 66547271952. Its totient is φ = 57040518792.

The previous prime is 61793895349. The next prime is 61793895407. The reversal of 61793895371 is 17359839716.

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

It is a cyclic number.

It is not a de Polignac number, because 61793895371 - 26 = 61793895307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61793895371.

It is not an unprimeable number, because it can be changed into a prime (61793895311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376688271 + ... + 2376688296.

It is an arithmetic number, because the mean of its divisors is an integer number (16636817988).

Almost surely, 261793895371 is an apocalyptic number.

61793895371 is a deficient number, since it is larger than the sum of its proper divisors (4753376581).

61793895371 is a wasteful number, since it uses less digits than its factorization.

61793895371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753376580.

The product of its digits is 8573040, while the sum is 59.

The spelling of 61793895371 in words is "sixty-one billion, seven hundred ninety-three million, eight hundred ninety-five thousand, three hundred seventy-one".

Divisors: 1 13 4753376567 61793895371