Search a number
-
+
20100021110 = 25131011530847
BaseRepresentation
bin10010101110000011…
…011111101101110110
31220212210201212102022
4102232003133231312
5312131101133420
613122301113142
71311045234431
oct225603375566
956783655368
1020100021110
118584a353a4
123a8b5587b2
131b84327c20
14d896c0818
157c9926c25
hex4ae0dfb76

20100021110 has 32 divisors (see below), whose sum is σ = 39348916992. Its totient is φ = 7348060800.

The previous prime is 20100021059. The next prime is 20100021157. The reversal of 20100021110 is 1112000102.

It is a congruent 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, 752294 + ... + 778553.

It is an arithmetic number, because the mean of its divisors is an integer number (1229653656).

Almost surely, 220100021110 is an apocalyptic number.

20100021110 is a deficient number, since it is larger than the sum of its proper divisors (19248895882).

20100021110 is a wasteful number, since it uses less digits than its factorization.

20100021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530968.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20100021110 its reverse (1112000102), we get a palindrome (21212021212).

The spelling of 20100021110 in words is "twenty billion, one hundred million, twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 101 130 202 505 1010 1313 2626 6565 13130 1530847 3061694 7654235 15308470 19901011 39802022 99505055 154615547 199010110 309231094 773077735 1546155470 2010002111 4020004222 10050010555 20100021110