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1013268480 = 2143571931
BaseRepresentation
bin111100011001010…
…100000000000000
32121121122101001020
4330121110000000
54033344042410
6244313505440
734052432340
oct7431240000
92547571036
101013268480
1147aa66674
12243412280
13131c04663
1498802d20
155de52a70
hex3c654000

1013268480 has 480 divisors, whose sum is σ = 4026408960. Its totient is φ = 212336640.

The previous prime is 1013268359. The next prime is 1013268481. The reversal of 1013268480 is 848623101.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013268481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32686065 + ... + 32686095.

It is an arithmetic number, because the mean of its divisors is an integer number (8388352).

Almost surely, 21013268480 is an apocalyptic number.

1013268480 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 1013268480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2013204480).

1013268480 is an abundant number, since it is smaller than the sum of its proper divisors (3013140480).

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

1013268480 is an equidigital number, since it uses as much as digits as its factorization.

1013268480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1013268480 is about 31831.8783611649. The cubic root of 1013268480 is about 1004.4034082022.

The spelling of 1013268480 in words is "one billion, thirteen million, two hundred sixty-eight thousand, four hundred eighty".