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12028951494 = 235721743691
BaseRepresentation
bin10110011001111101…
…10011101111000110
31011001022121001100000
423030332303233012
5144113402421434
65305342102130
7604042254300
oct131476635706
934038531300
1012028951494
11511303632a
1223b857a946
1311991604a1
148217d6970
154a608db99
hex2ccfb3bc6

12028951494 has 288 divisors, whose sum is σ = 34113695616. Its totient is φ = 3154878720.

The previous prime is 12028951481. The next prime is 12028951513. The reversal of 12028951494 is 49415982021.

It is a happy number.

12028951494 is a `hidden beast` number, since 1 + 20 + 28 + 9 + 514 + 94 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17407689 + ... + 17408379.

It is an arithmetic number, because the mean of its divisors is an integer number (118450332).

Almost surely, 212028951494 is an apocalyptic number.

12028951494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12028951494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17056847808).

12028951494 is an abundant number, since it is smaller than the sum of its proper divisors (22084744122).

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

12028951494 is a wasteful number, since it uses less digits than its factorization.

12028951494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 12028951494 in words is "twelve billion, twenty-eight million, nine hundred fifty-one thousand, four hundred ninety-four".