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123118206001241 = 1124124817215481
BaseRepresentation
bin11011111111100110110000…
…111011110010000001011001
3121010220222121110111100020112
4123333212300323302001121
5112114132041214014431
61113503420101134105
734634665626652463
oct3377466073620131
9533828543440215
10123118206001241
113625815766a200
12119851720ba335
135390cc65755b9
142258d4ad19133
15e378c15cec2b
hex6ff9b0ef2059

123118206001241 has 12 divisors (see below), whose sum is σ = 138628965682452. Its totient is φ = 109195748112000.

The previous prime is 123118206001211. The next prime is 123118206001249. The reversal of 123118206001241 is 142100602811321.

It can be written as a sum of positive squares in 2 ways, for example, as 14665039614016 + 108453166387225 = 3829496^2 + 10414085^2 .

It is not a de Polignac number, because 123118206001241 - 246 = 52749461823577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123118206001198 and 123118206001207.

It is not an unprimeable number, because it can be changed into a prime (123118206001249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12408602780 + ... + 12408612701.

It is an arithmetic number, because the mean of its divisors is an integer number (11552413806871).

Almost surely, 2123118206001241 is an apocalyptic number.

123118206001241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123118206001241 is a deficient number, since it is larger than the sum of its proper divisors (15510759681211).

123118206001241 is a wasteful number, since it uses less digits than its factorization.

123118206001241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24817215544 (or 24817215533 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

Adding to 123118206001241 its reverse (142100602811321), we get a palindrome (265218808812562).

The spelling of 123118206001241 in words is "one hundred twenty-three trillion, one hundred eighteen billion, two hundred six million, one thousand, two hundred forty-one".

Divisors: 1 11 41 121 451 4961 24817215481 272989370291 1017505834721 3002883073201 11192564181931 123118206001241