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10021220231300 = 2252100212202313
BaseRepresentation
bin1001000111010011111101…
…0001011010100010000100
31022111000112001211200201222
42101310333101122202010
52303141424334400200
633151403544135512
72053003115340665
oct221647721324204
938430461750658
1010021220231300
113213a80627963
12115a21a467598
13578cc658c0c5
1426905b4cd36c
15125a1cd93d85
hex91d3f45a884

10021220231300 has 18 divisors (see below), whose sum is σ = 21746047902138. Its totient is φ = 4008488092480.

The previous prime is 10021220231257. The next prime is 10021220231317. The reversal of 10021220231300 is 313202212001.

It can be written as a sum of positive squares in 3 ways, for example, as 1457602265344 + 8563617965956 = 1207312^2 + 2926366^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50106101057 + ... + 50106101256.

It is an arithmetic number, because the mean of its divisors is an integer number (1208113772341).

Almost surely, 210021220231300 is an apocalyptic number.

10021220231300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021220231300 is an abundant number, since it is smaller than the sum of its proper divisors (11724827670838).

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

10021220231300 is a wasteful number, since it uses less digits than its factorization.

10021220231300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100212202327 (or 100212202320 counting only the distinct ones).

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

Adding to 10021220231300 its reverse (313202212001), we get a palindrome (10334422443301).

The spelling of 10021220231300 in words is "ten trillion, twenty-one billion, two hundred twenty million, two hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 100212202313 200424404626 400848809252 501061011565 1002122023130 2004244046260 2505305057825 5010610115650 10021220231300