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19190620063 = 53415787103
BaseRepresentation
bin10001110111110110…
…011001111110011111
31211112102112111201001
4101313312121332133
5303300244320223
612452133331131
71246363402426
oct216766317637
954472474631
1019190620063
11815867198a
123876a96aa7
131a6aabc4b4
14d009d82bd
15774b8e9ad
hex477d99f9f

19190620063 has 8 divisors (see below), whose sum is σ = 19557635328. Its totient is φ = 18823787424.

The previous prime is 19190620021. The next prime is 19190620067. The reversal of 19190620063 is 36002609191.

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 19190620063 - 217 = 19190488991 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 (19190620067) 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, 176770 + ... + 263872.

It is an arithmetic number, because the mean of its divisors is an integer number (2444704416).

Almost surely, 219190620063 is an apocalyptic number.

19190620063 is a deficient number, since it is larger than the sum of its proper divisors (367015265).

19190620063 is an equidigital number, since it uses as much as digits as its factorization.

19190620063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91313.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 19190620063 in words is "nineteen billion, one hundred ninety million, six hundred twenty thousand, sixty-three".

Divisors: 1 53 4157 87103 220321 4616459 362087171 19190620063