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100223210020 = 2255011160501
BaseRepresentation
bin101110101010111000…
…1001101001000100100
3100120200201122120211111
41131111301031020210
53120224120210040
6114013015114404
710145424141403
oct1352561151044
9316621576744
10100223210020
113956043109a
1217510672a04
1395b2b3228b
144bca96563a
152918b2adea
hex1755c4d224

100223210020 has 12 divisors (see below), whose sum is σ = 210468741084. Its totient is φ = 40089284000.

The previous prime is 100223209969. The next prime is 100223210047. The reversal of 100223210020 is 20012322001.

It can be written as a sum of positive squares in 2 ways, for example, as 21001226724 + 79221983296 = 144918^2 + 281464^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505580231 + ... + 2505580270.

It is an arithmetic number, because the mean of its divisors is an integer number (17539061757).

Almost surely, 2100223210020 is an apocalyptic number.

100223210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100223210020 is an abundant number, since it is smaller than the sum of its proper divisors (110245531064).

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

100223210020 is a wasteful number, since it uses less digits than its factorization.

100223210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011160510 (or 5011160508 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 100223210020 its reverse (20012322001), we get a palindrome (120235532021).

The spelling of 100223210020 in words is "one hundred billion, two hundred twenty-three million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 5011160501 10022321002 20044642004 25055802505 50111605010 100223210020