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21010352300 = 22527231157881
BaseRepresentation
bin10011100100010100…
…001000100010101100
32000020020200111001022
4103210110020202230
5321012122233200
613352500433312
71342441022300
oct234424104254
960206614038
1021010352300
118a01883723
1240a43a8838
131c9aacab32
141034569d00
1582e7e4885
hex4e45088ac

21010352300 has 216 divisors, whose sum is σ = 55158219648. Its totient is φ = 6918912000.

The previous prime is 21010352267. The next prime is 21010352347. The reversal of 21010352300 is 325301012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23847860 + ... + 23848740.

It is an arithmetic number, because the mean of its divisors is an integer number (255362128).

Almost surely, 221010352300 is an apocalyptic number.

21010352300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21010352300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27579109824).

21010352300 is an abundant number, since it is smaller than the sum of its proper divisors (34147867348).

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

21010352300 is a wasteful number, since it uses less digits than its factorization.

21010352300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 21010352300 its reverse (325301012), we get a palindrome (21335653312).

The spelling of 21010352300 in words is "twenty-one billion, ten million, three hundred fifty-two thousand, three hundred".