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2122403212424 = 2311167199725731
BaseRepresentation
bin11110111000101001000…
…101101110110010001000
321111220021221002022011002
4132320221011232302020
5234233140210244144
64303004002354132
7306224062433465
oct36705105566210
97456257068132
102122403212424
11749119311a80
122a340465b948
131251ac5c0611
1474a2105066c
153a31de4114e
hex1ee2916ec88

2122403212424 has 64 divisors (see below), whose sum is σ = 4389227136000. Its totient is φ = 954131745600.

The previous prime is 2122403212399. The next prime is 2122403212477. The reversal of 2122403212424 is 4242123042212.

It is a super-2 number, since 2×21224032124242 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2561639 + ... + 3287369.

It is an arithmetic number, because the mean of its divisors is an integer number (68581674000).

Almost surely, 22122403212424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122403212424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2194613568000).

2122403212424 is an abundant number, since it is smaller than the sum of its proper divisors (2266823923576).

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

2122403212424 is a wasteful number, since it uses less digits than its factorization.

2122403212424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726114 (or 726110 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2122403212424 its reverse (4242123042212), we get a palindrome (6364526254636).

The spelling of 2122403212424 in words is "two trillion, one hundred twenty-two billion, four hundred three million, two hundred twelve thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 167 199 334 398 668 796 1336 1592 1837 2189 3674 4378 7348 8756 14696 17512 33233 66466 132932 265864 365563 725731 731126 1451462 1462252 2902924 2924504 5805848 7983041 15966082 31932164 63864328 121197077 144420469 242394154 288840938 484788308 577681876 969576616 1155363752 1333167847 1588625159 2666335694 3177250318 5332671388 6354500636 10665342776 12709001272 24118218323 48236436646 96472873292 192945746584 265300401553 530600803106 1061201606212 2122403212424