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10021221400223 = 115418999187127
BaseRepresentation
bin1001000111010011111101…
…0101110111111010011111
31022111000112011001002012102
42101310333111313322133
52303141430134301343
633151404025155315
72053003131306635
oct221647725677237
938430464032172
1010021221400223
113213a81256110
12115a21a92bb3b
13578cc68ab187
1426905b715355
15125a1d0253b8
hex91d3f577e9f

10021221400223 has 16 divisors (see below), whose sum is σ = 10953724608000. Its totient is φ = 9092302639200.

The previous prime is 10021221400213. The next prime is 10021221400231. The reversal of 10021221400223 is 32200412212001.

It is not a de Polignac number, because 10021221400223 - 232 = 10016926432927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021221400195 and 10021221400204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021221400213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53459486 + ... + 53646612.

It is an arithmetic number, because the mean of its divisors is an integer number (684607788000).

Almost surely, 210021221400223 is an apocalyptic number.

10021221400223 is a deficient number, since it is larger than the sum of its proper divisors (932503207777).

10021221400223 is a wasteful number, since it uses less digits than its factorization.

10021221400223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196678.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10021221400223 its reverse (32200412212001), we get a palindrome (42221633612224).

The spelling of 10021221400223 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, four hundred thousand, two hundred twenty-three".

Divisors: 1 11 541 5951 8999 98989 187127 2058397 4868459 53553049 101235707 1113592777 1683955873 18523514603 911020127293 10021221400223