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23100212313 = 334771833089
BaseRepresentation
bin10101100000111000…
…010100010001011001
32012121220010101001000
4111200320110101121
5334302123243223
614340113415213
71445305364523
oct254070242131
965556111030
1023100212313
119884516462
12458826a509
132241a784a9
141191d36a13
15903007543
hex560e14459

23100212313 has 64 divisors (see below), whose sum is σ = 35881574400. Its totient is φ = 14676399360.

The previous prime is 23100212297. The next prime is 23100212321. The reversal of 23100212313 is 31321200132.

It is not a de Polignac number, because 23100212313 - 24 = 23100212297 is a prime.

It is a super-3 number, since 3×231002123133 (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23100212353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7476673 + ... + 7479761.

It is an arithmetic number, because the mean of its divisors is an integer number (560649600).

Almost surely, 223100212313 is an apocalyptic number.

It is an amenable number.

23100212313 is a deficient number, since it is larger than the sum of its proper divisors (12781362087).

23100212313 is a wasteful number, since it uses less digits than its factorization.

23100212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299 (or 3293 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23100212313 its reverse (31321200132), we get a palindrome (54421412445).

The spelling of 23100212313 in words is "twenty-three billion, one hundred million, two hundred twelve thousand, three hundred thirteen".

Divisors: 1 3 9 27 47 71 83 141 213 249 423 639 747 1269 1917 2241 3089 3337 3901 5893 9267 10011 11703 17679 27801 30033 35109 53037 83403 90099 105327 145183 159111 219319 256387 276971 435549 657957 769161 830913 1306647 1973871 2307483 2492739 3919941 5921613 6922449 7478217 10307993 12050189 18203477 30923979 36150567 54610431 92771937 108451701 163831293 278315811 325355103 491493879 855563419 2566690257 7700070771 23100212313