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61670671603 = 471791173259
BaseRepresentation
bin111001011011110110…
…111100010011110011
312220011221020201100021
4321123312330103303
52002300142442403
644155304304311
74312154026252
oct713366742363
9186157221307
1061670671603
11241775393a2
12bb51472097
135a7a908378
142db0702799
15190e2618bd
hexe5bdbc4f3

61670671603 has 8 divisors (see below), whose sum is σ = 62987189760. Its totient is φ = 60354335880.

The previous prime is 61670671597. The next prime is 61670671613. The reversal of 61670671603 is 30617607616.

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 61670671603 - 233 = 53080737011 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 61670671603.

It is not an unprimeable number, because it can be changed into a prime (61670671613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805188 + ... + 878446.

It is an arithmetic number, because the mean of its divisors is an integer number (7873398720).

Almost surely, 261670671603 is an apocalyptic number.

61670671603 is a deficient number, since it is larger than the sum of its proper divisors (1316518157).

61670671603 is a wasteful number, since it uses less digits than its factorization.

61670671603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91217.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 61670671603 in words is "sixty-one billion, six hundred seventy million, six hundred seventy-one thousand, six hundred three".

Divisors: 1 47 17911 73259 841817 3443173 1312141949 61670671603