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13123500103253 = 1723269271460417
BaseRepresentation
bin1011111011111000110110…
…0011111101011001010101
31201110121001021201210210202
42332332031203331121111
53210003412011301003
643524504104230245
72523066365223431
oct276761543753125
951417037653722
1013123500103253
1141aa710752231
12157b50976b385
137427050470a7
143352761559c1
1517b58ba6a088
hexbef8d8fd655

13123500103253 has 32 divisors (see below), whose sum is σ = 14607258301440. Its totient is φ = 11727127019520.

The previous prime is 13123500103213. The next prime is 13123500103267. The reversal of 13123500103253 is 35230100532131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13123500103253 - 226 = 13123432994389 is a prime.

It is a super-2 number, since 2×131235001032532 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123500103213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28273301 + ... + 28733717.

It is an arithmetic number, because the mean of its divisors is an integer number (456476821920).

Almost surely, 213123500103253 is an apocalyptic number.

It is an amenable number.

13123500103253 is a deficient number, since it is larger than the sum of its proper divisors (1483758198187).

13123500103253 is a wasteful number, since it uses less digits than its factorization.

13123500103253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460997.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 13123500103253 its reverse (35230100532131), we get a palindrome (48353600635384).

The spelling of 13123500103253 in words is "thirteen trillion, one hundred twenty-three billion, five hundred million, one hundred three thousand, two hundred fifty-three".

Divisors: 1 17 23 269 271 391 4573 4607 6187 6233 72899 105179 105961 460417 1239283 1676677 7827089 10589591 28503509 123852173 124773007 180023047 2105486941 2121141119 2848599979 2869779161 33563938883 48426199643 48786245737 570586961011 771970594309 13123500103253