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12943020552 = 233711219233147
BaseRepresentation
bin11000000110111011…
…01101001000001000
31020102000120120100120
430003131231020020
5203001403124202
65540153503240
7635511600540
oct140335551010
936360516316
1012943020552
115541aa7a00
122612711b20
1312b3641857
148aad76320
1550b4490bc
hex30376d208

12943020552 has 768 divisors, whose sum is σ = 47067955200. Its totient is φ = 2885414400.

The previous prime is 12943020491. The next prime is 12943020641. The reversal of 12943020552 is 25502034921.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 275383393 + ... + 275383439.

It is an arithmetic number, because the mean of its divisors is an integer number (61286400).

Almost surely, 212943020552 is an apocalyptic number.

12943020552 is a gapful number since it is divisible by the number (12) 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 12943020552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23533977600).

12943020552 is an abundant number, since it is smaller than the sum of its proper divisors (34124934648).

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

12943020552 is a wasteful number, since it uses less digits than its factorization.

12943020552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 12943020552 in words is "twelve billion, nine hundred forty-three million, twenty thousand, five hundred fifty-two".