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12215357000 = 23537211131173
BaseRepresentation
bin10110110000001011…
…11000111001001000
31011112022100102121122
423120011320321020
5200004112411000
65340041254412
7611464551500
oct133005707110
934468312548
1012215357000
1151a9283570
12244aa94408
1311c8967ac2
1483c47aa00
154b7610085
hex2d8178e48

12215357000 has 384 divisors, whose sum is σ = 36761662080. Its totient is φ = 3756480000.

The previous prime is 12215356999. The next prime is 12215357009. The reversal of 12215357000 is 75351221.

It is not an unprimeable number, because it can be changed into a prime (12215357009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 70608914 + ... + 70609086.

It is an arithmetic number, because the mean of its divisors is an integer number (95733495).

Almost surely, 212215357000 is an apocalyptic number.

12215357000 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 12215357000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18380831040).

12215357000 is an abundant number, since it is smaller than the sum of its proper divisors (24546305080).

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

12215357000 is a wasteful number, since it uses less digits than its factorization.

12215357000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The spelling of 12215357000 in words is "twelve billion, two hundred fifteen million, three hundred fifty-seven thousand".