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229980351881 = 72171072580251
BaseRepresentation
bin1101011000101111100…
…1011010110110001001
3210222121201121100201102
43112023321122312021
512231444432230011
6253352421031145
722421061510500
oct3261371326611
9728551540642
10229980351881
1189596a05315
12386a3b554b5
13188c15c5067
14b1b9a93837
155eb04bb73b
hex358be5ad89

229980351881 has 24 divisors (see below), whose sum is σ = 285912563616. Its totient is φ = 183796368000.

The previous prime is 229980351877. The next prime is 229980351901. The reversal of 229980351881 is 188153089922.

It is not a de Polignac number, because 229980351881 - 22 = 229980351877 is a prime.

It is a super-2 number, since 2×2299803518812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229980351851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1200995 + ... + 1379256.

It is an arithmetic number, because the mean of its divisors is an integer number (11913023484).

Almost surely, 2229980351881 is an apocalyptic number.

It is an amenable number.

229980351881 is a deficient number, since it is larger than the sum of its proper divisors (55932211735).

229980351881 is a wasteful number, since it uses less digits than its factorization.

229980351881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580389 (or 2580382 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 229980351881 in words is "two hundred twenty-nine billion, nine hundred eighty million, three hundred fifty-one thousand, eight hundred eighty-one".

Divisors: 1 7 17 49 107 119 749 833 1819 5243 12733 89131 2580251 18061757 43864267 126432299 276086857 307049869 1932607999 2149349083 4693476569 13528255993 32854335983 229980351881