Search a number
-
+
20300077786 = 218475495419
BaseRepresentation
bin10010111001111110…
…101001101011011010
31221101202011210120211
4102321332221223122
5313033304442121
613154205041334
71316024546152
oct227176515332
957352153524
1020300077786
11867795699a
123b2655624a
131bb6901c61
14da80b9762
157dc292ce1
hex4b9fa9ada

20300077786 has 8 divisors (see below), whose sum is σ = 30466608480. Its totient is φ = 10144541628.

The previous prime is 20300077783. The next prime is 20300077799. The reversal of 20300077786 is 68777000302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20300077781) 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, 2744016 + ... + 2751403.

It is an arithmetic number, because the mean of its divisors is an integer number (3808326060).

Almost surely, 220300077786 is an apocalyptic number.

20300077786 is a deficient number, since it is larger than the sum of its proper divisors (10166530694).

20300077786 is a wasteful number, since it uses less digits than its factorization.

20300077786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497268.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 20300077786 in words is "twenty billion, three hundred million, seventy-seven thousand, seven hundred eighty-six".

Divisors: 1 2 1847 3694 5495419 10990838 10150038893 20300077786