Search a number
-
+
20017711706 = 21933710211531
BaseRepresentation
bin10010101001001001…
…100000101001011010
31220200001212010010212
4102221021200221122
5311444013233311
613110201011122
71306025512346
oct225111405132
956601763125
1020017711706
1185425270a3
123a67a83aa2
131b70269635
14d7c7b6626
157c25b8c8b
hex4a9260a5a

20017711706 has 32 divisors (see below), whose sum is σ = 31752477120. Its totient is φ = 9438508800.

The previous prime is 20017711699. The next prime is 20017711733. The reversal of 20017711706 is 60711771002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13074161 + ... + 13075691.

It is an arithmetic number, because the mean of its divisors is an integer number (992264910).

Almost surely, 220017711706 is an apocalyptic number.

20017711706 is a deficient number, since it is larger than the sum of its proper divisors (11734765414).

20017711706 is a wasteful number, since it uses less digits than its factorization.

20017711706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910.

The product of its (nonzero) digits is 4116, while the sum is 32.

The spelling of 20017711706 in words is "twenty billion, seventeen million, seven hundred eleven thousand, seven hundred six".

Divisors: 1 2 19 38 337 674 1021 1531 2042 3062 6403 12806 19399 29089 38798 58178 344077 515947 688154 1031894 1563151 3126302 6537463 9802993 13074926 19605986 29699869 59399738 526781887 1053563774 10008855853 20017711706