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54610011661231 = 1323881207312349
BaseRepresentation
bin11000110101010111000100…
…10110001010001110101111
321011100122222121102002220001
430122223202112022032233
524124212300441124411
6312051254254205131
714334304666123045
oct1432534226121657
9234318877362801
1054610011661231
1116444a809a2544
12615b9524b37a7
1324619183ba0c0
14d6b1d2708395
1564a7e989adc1
hex31aae258a3af

54610011661231 has 16 divisors (see below), whose sum is σ = 61437429547200. Its totient is φ = 48162804687360.

The previous prime is 54610011661211. The next prime is 54610011661297. The reversal of 54610011661231 is 13216611001645.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54610011661231 - 225 = 54609978106799 is a prime.

It is a super-2 number, since 2×546100116612312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54610011661211) 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, 103392756 + ... + 103919593.

It is an arithmetic number, because the mean of its divisors is an integer number (3839839346700).

Almost surely, 254610011661231 is an apocalyptic number.

54610011661231 is a deficient number, since it is larger than the sum of its proper divisors (6827417885969).

54610011661231 is a wasteful number, since it uses less digits than its factorization.

54610011661231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207313266.

The product of its (nonzero) digits is 25920, while the sum is 37.

Adding to 54610011661231 its reverse (13216611001645), we get a palindrome (67826622662876).

The spelling of 54610011661231 in words is "fifty-four trillion, six hundred ten billion, eleven million, six hundred sixty-one thousand, two hundred thirty-one".

Divisors: 1 13 23 299 881 11453 20263 263419 207312349 2695060537 4768184027 61986392351 182642179469 2374348333097 4200770127787 54610011661231