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214550221442 = 21929439443489
BaseRepresentation
bin1100011111010000110…
…0001001001010000010
3202111210101002111222212
43013310030021022002
512003344324041232
6242321335502122
721333516535454
oct3076414111202
9674711074885
10214550221442
1182a990089a7
12356b8527942
131730291826b
14a5546a42d4
1558aaa40eb2
hex31f4309282

214550221442 has 32 divisors (see below), whose sum is σ = 351244080000. Its totient is φ = 97900862976.

The previous prime is 214550221427. The next prime is 214550221469. The reversal of 214550221442 is 244122055412.

It is a super-2 number, since 2×2145502214422 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214550221399 and 214550221408.

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, 262034 + ... + 705522.

It is an arithmetic number, because the mean of its divisors is an integer number (10976377500).

Almost surely, 2214550221442 is an apocalyptic number.

214550221442 is a deficient number, since it is larger than the sum of its proper divisors (136693858558).

214550221442 is a wasteful number, since it uses less digits than its factorization.

214550221442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443978.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 214550221442 its reverse (244122055412), we get a palindrome (458672276854).

The spelling of 214550221442 in words is "two hundred fourteen billion, five hundred fifty million, two hundred twenty-one thousand, four hundred forty-two".

Divisors: 1 2 19 29 38 58 439 551 878 1102 8341 12731 16682 25462 241889 443489 483778 886978 8426291 12861181 16852582 25722362 194691671 244362439 389383342 488724878 3699141749 5646058459 7398283498 11292116918 107275110721 214550221442