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2002426139280 = 2435779116312973
BaseRepresentation
bin11101001000111001111…
…001100001001010010000
321002102121112001111101110
4131020321321201022100
5230301432042424110
64131522445333320
7264445662230310
oct35107171411220
97072545044343
102002426139280
11702251397176
12284100567240
13116a9c0a2948
146ccbcb95440
153714aeb8a20
hex1d239e61290

2002426139280 has 320 divisors, whose sum is σ = 7190842613760. Its totient is φ = 451480393728.

The previous prime is 2002426139143. The next prime is 2002426139291. The reversal of 2002426139280 is 829316242002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154346874 + ... + 154359846.

It is an arithmetic number, because the mean of its divisors is an integer number (22471383168).

Almost surely, 22002426139280 is an apocalyptic number.

2002426139280 is a gapful number since it is divisible by the number (20) 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 2002426139280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3595421306880).

2002426139280 is an abundant number, since it is smaller than the sum of its proper divisors (5188416474480).

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

2002426139280 is a wasteful number, since it uses less digits than its factorization.

2002426139280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14238 (or 14232 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 2002426139280 in words is "two trillion, two billion, four hundred twenty-six million, one hundred thirty-nine thousand, two hundred eighty".