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231264411422366 = 2717257158776921
BaseRepresentation
bin110100100101010101110001…
…000101111000111010011110
31010022211122212110111012121202
4310211111301011320322132
5220303014003311003431
62135505223125355502
766466205463535340
oct6445256105707236
91108748773435552
10231264411422366
1167762760219463
1221b30713568b92
139c071a96750aa
144117385bdb290
151bb0ab86e98cb
hexd25571178e9e

231264411422366 has 24 divisors (see below), whose sum is σ = 421145868361296. Its totient is φ = 93283123933440.

The previous prime is 231264411422353. The next prime is 231264411422381. The reversal of 231264411422366 is 663224114462132.

It is a happy number.

It is a super-2 number, since 2×2312644114223662 (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 231264411422366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28579384415 + ... + 28579392506.

It is an arithmetic number, because the mean of its divisors is an integer number (17547744515054).

Almost surely, 2231264411422366 is an apocalyptic number.

231264411422366 is a deficient number, since it is larger than the sum of its proper divisors (189881456938930).

231264411422366 is a wasteful number, since it uses less digits than its factorization.

231264411422366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57158776964 (or 57158776947 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 47.

Adding to 231264411422366 its reverse (663224114462132), we get a palindrome (894488525884498).

The spelling of 231264411422366 in words is "two hundred thirty-one trillion, two hundred sixty-four billion, four hundred eleven million, four hundred twenty-two thousand, three hundred sixty-six".

Divisors: 1 2 7 14 17 34 119 238 289 578 2023 4046 57158776921 114317553842 400111438447 800222876894 971699207657 1943398415314 6801894453599 13603788907198 16518886530169 33037773060338 115632205711183 231264411422366