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1242213841404 = 223347495149429
BaseRepresentation
bin10010000100111001101…
…101101111100111111100
311101202101000111102222000
4102010321231233213330
5130323023220411104
62350355401422300
7155514134301654
oct22047155574774
94352330442860
101242213841404
11439902368a28
121808baa9a990
13901a9206aa3
14441a2b37364
15224a5c25639
hex12139b6f9fc

1242213841404 has 96 divisors (see below), whose sum is σ = 3289807718400. Its totient is φ = 405171201600.

The previous prime is 1242213841303. The next prime is 1242213841433. The reversal of 1242213841404 is 4041483122421.

1242213841404 is a `hidden beast` number, since 1 + 2 + 422 + 13 + 84 + 140 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25106562 + ... + 25155990.

It is an arithmetic number, because the mean of its divisors is an integer number (34268830400).

Almost surely, 21242213841404 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 1242213841404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644903859200).

1242213841404 is an abundant number, since it is smaller than the sum of its proper divisors (2047593876996).

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

1242213841404 is a wasteful number, since it uses less digits than its factorization.

1242213841404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54440 (or 54432 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

Adding to 1242213841404 its reverse (4041483122421), we get a palindrome (5283696963825).

The spelling of 1242213841404 in words is "one trillion, two hundred forty-two billion, two hundred thirteen million, eight hundred forty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 47 54 94 108 141 188 282 423 564 846 1269 1692 2538 4951 5076 9902 14853 19804 29706 44559 49429 59412 89118 98858 133677 148287 178236 197716 232697 267354 296574 444861 465394 534708 593148 698091 889722 930788 1334583 1396182 1779444 2094273 2323163 2669166 2792364 4188546 4646326 5338332 6282819 6969489 8377092 9292652 12565638 13938978 20908467 25131276 27877956 41816934 62725401 83633868 125450802 244722979 250901604 489445958 734168937 978891916 1468337874 2202506811 2936675748 4405013622 6607520433 8810027244 11501980013 13215040866 23003960026 26430081732 34505940039 46007920052 69011880078 103517820117 138023760156 207035640234 310553460351 414071280468 621106920702 1242213841404