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1223013134 = 278310131039
BaseRepresentation
bin100100011100101…
…1011001100001110
310011020022111121202
41020321123030032
510001042410014
6321205225502
742210303650
oct11071331416
93136274552
101223013134
115783a4962
122a1702292
131664c1215
14b86006d0
15725843de
hex48e5b30e

1223013134 has 32 divisors (see below), whose sum is σ = 2125992960. Its totient is φ = 516824352.

The previous prime is 1223013097. The next prime is 1223013137. The reversal of 1223013134 is 4313103221.

It is a super-2 number, since 2×12230131342 = 2991522251873003912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223013137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176587 + ... + 1177625.

It is an arithmetic number, because the mean of its divisors is an integer number (66437280).

Almost surely, 21223013134 is an apocalyptic number.

1223013134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1223013134 is a deficient number, since it is larger than the sum of its proper divisors (902979826).

1223013134 is a wasteful number, since it uses less digits than its factorization.

1223013134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1223013134 is about 34971.6046815127. The cubic root of 1223013134 is about 1069.4086854226.

Adding to 1223013134 its reverse (4313103221), we get a palindrome (5536116355).

The spelling of 1223013134 in words is "one billion, two hundred twenty-three million, thirteen thousand, one hundred thirty-four".

Divisors: 1 2 7 14 83 166 581 1013 1039 1162 2026 2078 7091 7273 14182 14546 84079 86237 168158 172474 588553 603659 1052507 1177106 1207318 2105014 7367549 14735098 87358081 174716162 611506567 1223013134