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11428014840 = 23351131317881
BaseRepresentation
bin10101010010010100…
…11010101011111000
31002111102211022012220
422221022122223320
5141401032433330
65125554004040
7553124344344
oct125112325370
932442738186
1011428014840
1149348a8770
12226b276620
1311017c7478
147a5a88624
1546d438710
hex2a929aaf8

11428014840 has 256 divisors, whose sum is σ = 38773002240. Its totient is φ = 2669568000.

The previous prime is 11428014821. The next prime is 11428014869. The reversal of 11428014840 is 4841082411.

11428014840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12971200 + ... + 12972080.

It is an arithmetic number, because the mean of its divisors is an integer number (151457040).

Almost surely, 211428014840 is an apocalyptic number.

11428014840 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 11428014840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19386501120).

11428014840 is an abundant number, since it is smaller than the sum of its proper divisors (27344987400).

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

11428014840 is a wasteful number, since it uses less digits than its factorization.

11428014840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The spelling of 11428014840 in words is "eleven billion, four hundred twenty-eight million, fourteen thousand, eight hundred forty".