Search a number
-
+
20101102211202 = 2319433740656089
BaseRepresentation
bin1001001001000001001110…
…00011101001000010000010
32122011122110101002222102120
410210200213003221002002
510113314024131224302
6110430152513225110
74143154023443055
oct444404703510202
978148411088376
1020101102211202
11644a914188791
12230788a562196
13b2a6ab26974c
144d6c81834a9c
1524cd20c419bc
hex1248270e9082

20101102211202 has 32 divisors (see below), whose sum is σ = 42327868420800. Its totient is φ = 6346252712448.

The previous prime is 20101102211131. The next prime is 20101102211209. The reversal of 20101102211202 is 20211220110102.

It is not an unprimeable number, because it can be changed into a prime (20101102211209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19833627 + ... + 20822462.

It is an arithmetic number, because the mean of its divisors is an integer number (1322745888150).

Almost surely, 220101102211202 is an apocalyptic number.

20101102211202 is an abundant number, since it is smaller than the sum of its proper divisors (22226766209598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20101102211202 is a wasteful number, since it uses less digits than its factorization.

20101102211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40660450.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20101102211202 its reverse (20211220110102), we get a palindrome (40312322321304).

The spelling of 20101102211202 in words is "twenty trillion, one hundred one billion, one hundred two million, two hundred eleven thousand, two hundred two".

Divisors: 1 2 3 6 19 38 57 114 4337 8674 13011 26022 82403 164806 247209 494418 40656089 81312178 121968267 243936534 772465691 1544931382 2317397073 4634794146 176325457993 352650915986 528976373979 1057952747958 3350183701867 6700367403734 10050551105601 20101102211202