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421213323312124 = 227443858113631
BaseRepresentation
bin101111111000101110101111…
…0100000101011101111111100
32001020101121012201121010002121
41133301131132200223233330
5420202124341231441444
64051502421314332324
7154502441546650000
oct13761353640535774
92036347181533077
10421213323312124
11112236627001382
123b2a9b6988a0a4
131510532748bb15
147602b9567a700
1533a6ad26b8084
hex17f175e82bbfc

421213323312124 has 30 divisors (see below), whose sum is σ = 859926033982624. Its totient is φ = 180519995701080.

The previous prime is 421213323312113. The next prime is 421213323312149.

421213323312124 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 421213323312124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21929047212 + ... + 21929066419.

Almost surely, 2421213323312124 is an apocalyptic number.

It is an amenable number.

421213323312124 is an abundant number, since it is smaller than the sum of its proper divisors (438712710670500).

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

421213323312124 is an equidigital number, since it uses as much as digits as its factorization.

421213323312124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43858113663 (or 43858113640 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The spelling of 421213323312124 in words is "four hundred twenty-one trillion, two hundred thirteen billion, three hundred twenty-three million, three hundred twelve thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 2401 4802 9604 43858113631 87716227262 175432454524 307006795417 614013590834 1228027181668 2149047567919 4298095135838 8596190271676 15043332975433 30086665950866 60173331901732 105303330828031 210606661656062 421213323312124