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10198909898500 = 22531931731812621
BaseRepresentation
bin1001010001101001111001…
…1001101100111100000100
31100010000011120022001012011
42110122132121230330010
52314044331413223000
633405151534304004
72101563331522651
oct224323631547404
940100146261164
1010198909898500
113282373830894
12118874a358004
1358c9a368130b
142738b652ac28
1512a46c8392ba
hex9469e66cf04

10198909898500 has 384 divisors, whose sum is σ = 24679616532480. Its totient is φ = 3667161600000.

The previous prime is 10198909898491. The next prime is 10198909898521. The reversal of 10198909898500 is 589890989101.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3891227190 + ... + 3891229810.

It is an arithmetic number, because the mean of its divisors is an integer number (64269834720).

Almost surely, 210198909898500 is an apocalyptic number.

10198909898500 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 10198909898500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12339808266240).

10198909898500 is an abundant number, since it is smaller than the sum of its proper divisors (14480706633980).

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

10198909898500 is a wasteful number, since it uses less digits than its factorization.

10198909898500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2932 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 67.

The spelling of 10198909898500 in words is "ten trillion, one hundred ninety-eight billion, nine hundred nine million, eight hundred ninety-eight thousand, five hundred".