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19484695345 = 516372380537
BaseRepresentation
bin10010001001011000…
…001101101100110001
31212021220220002011011
4102021120031230301
5304401040222340
612541240350521
71256564114653
oct221130155461
955256802134
1019484695345
11829966a005
123939475441
131ab69c463b
14d2baa86d3
157908cd0ea
hex48960db31

19484695345 has 8 divisors (see below), whose sum is σ = 23395927464. Its totient is φ = 15578227584.

The previous prime is 19484695331. The next prime is 19484695369. The reversal of 19484695345 is 54359648491.

It can be written as a sum of positive squares in 4 ways, for example, as 130599184 + 19354096161 = 11428^2 + 139119^2 .

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 19484695345 - 25 = 19484695313 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 19484695345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182084 + ... + 1198453.

It is an arithmetic number, because the mean of its divisors is an integer number (2924490933).

Almost surely, 219484695345 is an apocalyptic number.

It is an amenable number.

19484695345 is a deficient number, since it is larger than the sum of its proper divisors (3911232119).

19484695345 is a wasteful number, since it uses less digits than its factorization.

19484695345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382179.

The product of its digits is 18662400, while the sum is 58.

The spelling of 19484695345 in words is "nineteen billion, four hundred eighty-four million, six hundred ninety-five thousand, three hundred forty-five".

Divisors: 1 5 1637 8185 2380537 11902685 3896939069 19484695345