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23011012827 = 3211232434473
BaseRepresentation
bin10101011011100100…
…000011000011011011
32012101200021120100100
4111123210003003123
5334111304402302
614323205510443
71443143244645
oct253344030333
965350246310
1023011012827
119839131580
124562412423
132229446a2a
141184157895
158ea287d1c
hex55b9030db

23011012827 has 12 divisors (see below), whose sum is σ = 36259777944. Its totient is φ = 13946068320.

The previous prime is 23011012823. The next prime is 23011012861. The reversal of 23011012827 is 72821011032.

It is not a de Polignac number, because 23011012827 - 22 = 23011012823 is a prime.

It is a super-4 number, since 4×230110128274 (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 23011012827.

It is not an unprimeable number, because it can be changed into a prime (23011012823) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 116217138 + ... + 116217335.

It is an arithmetic number, because the mean of its divisors is an integer number (3021648162).

Almost surely, 223011012827 is an apocalyptic number.

23011012827 is a deficient number, since it is larger than the sum of its proper divisors (13248765117).

23011012827 is a wasteful number, since it uses less digits than its factorization.

23011012827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232434490 (or 232434487 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

Adding to 23011012827 its reverse (72821011032), we get a palindrome (95832023859).

The spelling of 23011012827 in words is "twenty-three billion, eleven million, twelve thousand, eight hundred twenty-seven".

Divisors: 1 3 9 11 33 99 232434473 697303419 2091910257 2556779203 7670337609 23011012827