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421216262612124 = 22375014479316811
BaseRepresentation
bin101111111000110000000110…
…1101101001110010010011100
32001020101212210120102000200120
41133301200031231032102130
5420202201401212041444
64051504025113554540
7154502604440411520
oct13761401555162234
92036355716360616
10421216262612124
111122378a5182a31
123b2aa64a115a50
13151056a540c8a5
147602d93ba1d80
1533a6c0576bb19
hex17f180db4e49c

421216262612124 has 24 divisors (see below), whose sum is σ = 1123243366965888. Its totient is φ = 120347503603440.

The previous prime is 421216262612087. The next prime is 421216262612137.

421216262612124 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2507239658322 + ... + 2507239658489.

It is an arithmetic number, because the mean of its divisors is an integer number (46801806956912).

Almost surely, 2421216262612124 is an apocalyptic number.

It is an amenable number.

421216262612124 is an abundant number, since it is smaller than the sum of its proper divisors (702027104353764).

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

421216262612124 is a wasteful number, since it uses less digits than its factorization.

421216262612124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014479316825 (or 5014479316823 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The spelling of 421216262612124 in words is "four hundred twenty-one trillion, two hundred sixteen billion, two hundred sixty-two million, six hundred twelve thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 5014479316811 10028958633622 15043437950433 20057917267244 30086875900866 35101355217677 60173751801732 70202710435354 105304065653031 140405420870708 210608131306062 421216262612124