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101321230220 = 2257723723073
BaseRepresentation
bin101111001011100110…
…1110100011110001100
3100200112020202210101022
41132113031310132030
53130001213331340
6114314001333312
710214556150440
oct1362715643614
9320466683338
10101321230220
1139a74213a01
1217778337238
13972946ba82
144c9270a820
1529802203b5
hex179737478c

101321230220 has 24 divisors (see below), whose sum is σ = 243170952864. Its totient is φ = 34738707456.

The previous prime is 101321230187. The next prime is 101321230229. The reversal of 101321230220 is 22032123101.

It is not an unprimeable number, because it can be changed into a prime (101321230229) 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, 361861397 + ... + 361861676.

It is an arithmetic number, because the mean of its divisors is an integer number (10132123036).

Almost surely, 2101321230220 is an apocalyptic number.

101321230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101321230220 is an abundant number, since it is smaller than the sum of its proper divisors (141849722644).

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

101321230220 is a wasteful number, since it uses less digits than its factorization.

101321230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723723089 (or 723723087 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 101321230220 its reverse (22032123101), we get a palindrome (123353353321).

The spelling of 101321230220 in words is "one hundred one billion, three hundred twenty-one million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 723723073 1447446146 2894892292 3618615365 5066061511 7237230730 10132123022 14474461460 20264246044 25330307555 50660615110 101321230220