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12098542320 = 243651712203
BaseRepresentation
bin10110100010010000…
…10001101011110000
31011020011112122000000
423101020101223300
5144234211323240
65320305430000
7605545625064
oct132110215360
934204478000
1012098542320
115149347a07
12241793b300
1311aa6b79a7
1482ab4daa4
154ac238430
hex2d1211af0

12098542320 has 280 divisors, whose sum is σ = 44658878256. Its totient is φ = 3036248064.

The previous prime is 12098542283. The next prime is 12098542327. The reversal of 12098542320 is 2324589021.

It is a happy number.

12098542320 is a `hidden beast` number, since 1 + 2 + 0 + 98 + 542 + 3 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12098542327) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 985339 + ... + 997541.

Almost surely, 212098542320 is an apocalyptic number.

12098542320 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 12098542320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22329439128).

12098542320 is an abundant number, since it is smaller than the sum of its proper divisors (32560335936).

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

12098542320 is a wasteful number, since it uses less digits than its factorization.

12098542320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12251 (or 12230 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 12098542320 in words is "twelve billion, ninety-eight million, five hundred forty-two thousand, three hundred twenty".