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1223101310 = 251031398543
BaseRepresentation
bin100100011100111…
…0000101101111110
310011020110222120112
41020321300231332
510001103220220
6321211150022
742211122014
oct11071605576
93136428515
101223101310
11578455132
122a1745312
131665223b2
14b86248b4
15725a05c5
hex48e70b7e

1223101310 has 32 divisors (see below), whose sum is σ = 2239211520. Its totient is φ = 480948768.

The previous prime is 1223101277. The next prime is 1223101333. The reversal of 1223101310 is 131013221.

It is a super-2 number, since 2×12231013102 = 2991953629047432200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138899 + ... + 147441.

It is an arithmetic number, because the mean of its divisors is an integer number (69975360).

Almost surely, 21223101310 is an apocalyptic number.

1223101310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223101310 is a deficient number, since it is larger than the sum of its proper divisors (1016110210).

1223101310 is a wasteful number, since it uses less digits than its factorization.

1223101310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8792.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1223101310 is about 34972.8653387165. The cubic root of 1223101310 is about 1069.4343853140.

Adding to 1223101310 its reverse (131013221), we get a palindrome (1354114531).

The spelling of 1223101310 in words is "one billion, two hundred twenty-three million, one hundred one thousand, three hundred ten".

Divisors: 1 2 5 10 103 139 206 278 515 695 1030 1390 8543 14317 17086 28634 42715 71585 85430 143170 879929 1187477 1759858 2374954 4399645 5937385 8799290 11874770 122310131 244620262 611550655 1223101310