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12533280000 = 2835426111
BaseRepresentation
bin10111010110000101…
…01010110100000000
31012100110120120222120
423223002222310000
5201132004430000
65431355404240
7622405056633
oct135302526400
935313516876
1012533280000
11535178984a
122519453680
13124979c817
1486c797c1a
154d54ae6a0
hex2eb0aad00

12533280000 has 180 divisors, whose sum is σ = 41684256768. Its totient is φ = 3342080000.

The previous prime is 12533279999. The next prime is 12533280017. The reversal of 12533280000 is 8233521.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 466945 + ... + 493055.

Almost surely, 212533280000 is an apocalyptic number.

12533280000 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 12533280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20842128384).

12533280000 is an abundant number, since it is smaller than the sum of its proper divisors (29150976768).

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

12533280000 is an frugal number, since it uses more digits than its factorization.

12533280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26150 (or 26121 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 12533280000 in words is "twelve billion, five hundred thirty-three million, two hundred eighty thousand".