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10030021100 = 22521115235987
BaseRepresentation
bin10010101011101010…
…11111100111101100
3221220000020212022222
421111311133213230
5131020141133400
64335134054512
7503360526011
oct112565374754
927800225288
1010030021100
11428775a340
121b3b04a438
13c3ac9bc38
146b2139708
153da83d185
hex255d5f9ec

10030021100 has 72 divisors (see below), whose sum is σ = 23763354048. Its totient is φ = 3644276800.

The previous prime is 10030021081. The next prime is 10030021103. The reversal of 10030021100 is 112003001.

It is not an unprimeable number, because it can be changed into a prime (10030021103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1672307 + ... + 1678293.

It is an arithmetic number, because the mean of its divisors is an integer number (330046584).

Almost surely, 210030021100 is an apocalyptic number.

10030021100 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 10030021100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11881677024).

10030021100 is an abundant number, since it is smaller than the sum of its proper divisors (13733332948).

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

10030021100 is a wasteful number, since it uses less digits than its factorization.

10030021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7535 (or 7528 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 10030021100 its reverse (112003001), we get a palindrome (10142024101).

The spelling of 10030021100 in words is "ten billion, thirty million, twenty-one thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 1523 3046 5987 6092 7615 11974 15230 16753 23948 29935 30460 33506 38075 59870 65857 67012 76150 83765 119740 131714 149675 152300 167530 263428 299350 329285 335060 418825 598700 658570 837650 1317140 1646425 1675300 3292850 6585700 9118201 18236402 36472804 45591005 91182010 100300211 182364020 200600422 227955025 401200844 455910050 501501055 911820100 1003002110 2006004220 2507505275 5015010550 10030021100