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1421985486824 = 2372139173251601
BaseRepresentation
bin10100101100010100111…
…100001001011111101000
312000221101121120020121122
4110230110330021133220
5141244211241034244
63005130123554412
7204510061131200
oct24542474113750
95027347506548
101421985486824
114a9073810a11
121ab71008ba08
13a4128746c86
144cb7848d400
1526ec83731ee
hex14b14f097e8

1421985486824 has 192 divisors, whose sum is σ = 3159660571200. Its totient is φ = 598147200000.

The previous prime is 1421985486773. The next prime is 1421985486833. The reversal of 1421985486824 is 4286845891241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2366032124 + ... + 2366032724.

It is an arithmetic number, because the mean of its divisors is an integer number (16456565475).

Almost surely, 21421985486824 is an apocalyptic number.

1421985486824 is a gapful number since it is divisible by the number (14) 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 1421985486824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579830285600).

1421985486824 is an abundant number, since it is smaller than the sum of its proper divisors (1737675084376).

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

1421985486824 is a wasteful number, since it uses less digits than its factorization.

1421985486824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1173 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 62.

The spelling of 1421985486824 in words is "one trillion, four hundred twenty-one billion, nine hundred eighty-five million, four hundred eighty-six thousand, eight hundred twenty-four".