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12247511040 = 21235523107
BaseRepresentation
bin10110110100000001…
…00011000000000000
31011121112212000200000
423122000203000000
5200040330323130
65343150400000
7612335061162
oct133200430000
934545760600
1012247511040
115215445356
122459800000
13120251536b
1484284a932
154ba362260
hex2da023000

12247511040 has 624 divisors, whose sum is σ = 46368661248. Its totient is φ = 3094806528.

The previous prime is 12247511039. The next prime is 12247511051. The reversal of 12247511040 is 4011574221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12247510995 and 12247511013.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114462667 + ... + 114462773.

It is an arithmetic number, because the mean of its divisors is an integer number (74308752).

Almost surely, 212247511040 is an apocalyptic number.

12247511040 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 12247511040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23184330624).

12247511040 is an abundant number, since it is smaller than the sum of its proper divisors (34121150208).

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

12247511040 is an equidigital number, since it uses as much as digits as its factorization.

12247511040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The spelling of 12247511040 in words is "twelve billion, two hundred forty-seven million, five hundred eleven thousand, forty".