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3128026491408 = 2437131923189719
BaseRepresentation
bin101101100001001100111…
…010000110101000010000
3102002000222112200220020010
4231201030322012220100
5402222144240211113
610352555011314520
7441664261323060
oct55411472065020
912060875626203
103128026491408
11aa6652452675
124262958aba40
13198c828a4370
14ab57c2413a0
15565791c91c3
hex2d84ce86a10

3128026491408 has 960 divisors, whose sum is σ = 10972097740800. Its totient is φ = 746804551680.

The previous prime is 3128026491407. The next prime is 3128026491409. The reversal of 3128026491408 is 8041946208213.

It is an interprime number because it is at equal distance from previous prime (3128026491407) and next prime (3128026491409).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (3128026491407) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 4350523273 + ... + 4350523991.

It is an arithmetic number, because the mean of its divisors is an integer number (11429268480).

Almost surely, 23128026491408 is an apocalyptic number.

3128026491408 is a gapful number since it is divisible by the number (38) 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 3128026491408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5486048870400).

3128026491408 is an abundant number, since it is smaller than the sum of its proper divisors (7844071249392).

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

3128026491408 is a wasteful number, since it uses less digits than its factorization.

3128026491408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 3128026491408 in words is "three trillion, one hundred twenty-eight billion, twenty-six million, four hundred ninety-one thousand, four hundred eight".