Search a number
-
+
100222022020 = 225171032861851
BaseRepresentation
bin101110101010110110…
…0101011000110000100
3100120200122102020012111
41131111230223012010
53120223314201040
6114012533430404
710145411063011
oct1352554530604
9316618366174
10100222022020
113955a79a57a
121751019b404
1395b2807613
144bca736708
152918993dea
hex1755b2b184

100222022020 has 48 divisors (see below), whose sum is σ = 225010251648. Its totient is φ = 37364313600.

The previous prime is 100222021951. The next prime is 100222022027. The reversal of 100222022020 is 20220222001.

It is not an unprimeable number, because it can be changed into a prime (100222022027) 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, 1395906 + ... + 1465945.

It is an arithmetic number, because the mean of its divisors is an integer number (4687713576).

Almost surely, 2100222022020 is an apocalyptic number.

100222022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222022020 is an abundant number, since it is smaller than the sum of its proper divisors (124788229628).

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

100222022020 is a wasteful number, since it uses less digits than its factorization.

100222022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861980 (or 2861978 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 100222022020 its reverse (20220222001), we get a palindrome (120442244021).

The spelling of 100222022020 in words is "one hundred billion, two hundred twenty-two million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 103 170 206 340 412 515 1030 1751 2060 3502 7004 8755 17510 35020 2861851 5723702 11447404 14309255 28618510 48651467 57237020 97302934 194605868 243257335 294770653 486514670 589541306 973029340 1179082612 1473853265 2947706530 5011101101 5895413060 10022202202 20044404404 25055505505 50111011010 100222022020