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2231220423230 = 251724154459859
BaseRepresentation
bin100000011101111111000…
…110011100101000111110
321220022011120212100202222
4200131333012130220332
5243024014412020410
64425001501045342
7320125502450111
oct40357706345076
97808146770688
102231220423230
11790289841057
12300513256852
13132531a40a56
1479dc5104578
153d08c29c955
hex2077f19ca3e

2231220423230 has 32 divisors (see below), whose sum is σ = 4270088702880. Its totient is φ = 836503418880.

The previous prime is 2231220423217. The next prime is 2231220423233. The reversal of 2231220423230 is 323240221322.

It is a happy number.

It is a super-3 number, since 3×22312204232303 (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231220423230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231220423233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27188960 + ... + 27270899.

It is an arithmetic number, because the mean of its divisors is an integer number (133440271965).

Almost surely, 22231220423230 is an apocalyptic number.

2231220423230 is a deficient number, since it is larger than the sum of its proper divisors (2038868279650).

2231220423230 is a wasteful number, since it uses less digits than its factorization.

2231220423230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54460124.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 2231220423230 its reverse (323240221322), we get a palindrome (2554460644552).

The spelling of 2231220423230 in words is "two trillion, two hundred thirty-one billion, two hundred twenty million, four hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 241 482 1205 2410 4097 8194 20485 40970 54459859 108919718 272299295 544598590 925817603 1851635206 4629088015 9258176030 13124826019 26249652038 65624130095 131248260190 223122042323 446244084646 1115610211615 2231220423230