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10021210200 = 2332524323011
BaseRepresentation
bin10010101010100111…
…11000100001011000
3221212101200020001100
421111103320201120
5131010412211300
64334221151400
7503222611161
oct112523704130
927771606040
1010021210200
114282791601
121b380bb560
13c392056a1
146b0cc4768
153d9b9c700
hex2554f8858

10021210200 has 216 divisors, whose sum is σ = 34466873220. Its totient is φ = 2609308800.

The previous prime is 10021210187. The next prime is 10021210219. The reversal of 10021210200 is 201212001.

It is a super-4 number, since 4×100212102004 (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 3326695 + ... + 3329705.

Almost surely, 210021210200 is an apocalyptic number.

10021210200 is a gapful number since it is divisible by the number (10) 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 10021210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17233436610).

10021210200 is an abundant number, since it is smaller than the sum of its proper divisors (24445663020).

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

10021210200 is a wasteful number, since it uses less digits than its factorization.

10021210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119 (or 3064 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10021210200 its reverse (201212001), we get a palindrome (10222422201).

The spelling of 10021210200 in words is "ten billion, twenty-one million, two hundred ten thousand, two hundred".