Search a number
-
+
20102908606 = 2118531071241
BaseRepresentation
bin10010101110001110…
…100000101010111110
31220220000011120022121
4102232032200222332
5312132321033411
613122443033154
71311111621664
oct225616405276
956800146277
1020102908606
118586627860
123a9050b7ba
131b84ac92c1
14d89c32c34
157c9ce7571
hex4ae3a0abe

20102908606 has 16 divisors (see below), whose sum is σ = 32934264048. Its totient is φ = 9126964800.

The previous prime is 20102908603. The next prime is 20102908607. The reversal of 20102908606 is 60680920102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102908603) 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, 516855 + ... + 554386.

It is an arithmetic number, because the mean of its divisors is an integer number (2058391503).

Almost surely, 220102908606 is an apocalyptic number.

20102908606 is a deficient number, since it is larger than the sum of its proper divisors (12831355442).

20102908606 is a wasteful number, since it uses less digits than its factorization.

20102908606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072107.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 20102908606 in words is "twenty billion, one hundred two million, nine hundred eight thousand, six hundred six".

Divisors: 1 2 11 22 853 1706 9383 18766 1071241 2142482 11783651 23567302 913768573 1827537146 10051454303 20102908606