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12098581308 = 22331137243173
BaseRepresentation
bin10110100010010000…
…11011001100111100
31011020011121121111000
423101020123030330
5144234214100213
65320310330300
7605546146542
oct132110331474
934204547430
1012098581308
115149374230
122417959990
1311aa6cc668
1482ab5dd92
154ac244c73
hex2d121b33c

12098581308 has 288 divisors, whose sum is σ = 36193893120. Its totient is φ = 3464052480.

The previous prime is 12098581291. The next prime is 12098581333. The reversal of 12098581308 is 80318589021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69933910 + ... + 69934082.

It is an arithmetic number, because the mean of its divisors is an integer number (125673240).

Almost surely, 212098581308 is an apocalyptic number.

12098581308 is a gapful number since it is divisible by the number (18) 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 12098581308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18096946560).

12098581308 is an abundant number, since it is smaller than the sum of its proper divisors (24095311812).

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

12098581308 is a wasteful number, since it uses less digits than its factorization.

12098581308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 12098581308 in words is "twelve billion, ninety-eight million, five hundred eighty-one thousand, three hundred eight".