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22421031304 = 2372317407633
BaseRepresentation
bin10100111000011001…
…011100100110001000
32010212120010101211211
4110320121130212020
5331404241000204
614144452302504
71422420423130
oct247031344610
963776111754
1022421031304
1195660a6741
124418911a34
132164148239
141129a5bac0
158b3598804
hex53865c988

22421031304 has 32 divisors (see below), whose sum is σ = 50133985920. Its totient is φ = 9191229696.

The previous prime is 22421031299. The next prime is 22421031359. The reversal of 22421031304 is 40313012422.

It is a super-3 number, since 3×224210313043 (a number of 32 digits) contains 333 as substring.

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, 8702529 + ... + 8705104.

It is an arithmetic number, because the mean of its divisors is an integer number (1566687060).

Almost surely, 222421031304 is an apocalyptic number.

It is an amenable number.

22421031304 is an abundant number, since it is smaller than the sum of its proper divisors (27712954616).

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

22421031304 is a wasteful number, since it uses less digits than its factorization.

22421031304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17407669 (or 17407665 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22421031304 its reverse (40313012422), we get a palindrome (62734043726).

The spelling of 22421031304 in words is "twenty-two billion, four hundred twenty-one million, thirty-one thousand, three hundred four".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 17407633 34815266 69630532 121853431 139261064 243706862 400375559 487413724 800751118 974827448 1601502236 2802628913 3203004472 5605257826 11210515652 22421031304