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124404144312 = 23372105785837
BaseRepresentation
bin111001111011100010…
…0001001100010111000
3102220002221100022201110
41303313010021202320
54014234430104222
6133052300320320
711662564531200
oct1636704114270
9386087308643
10124404144312
1148839994a08
122013a8430a0
13b96776b816
14604221d400
15338195c30c
hex1cf71098b8

124404144312 has 48 divisors (see below), whose sum is σ = 361787565960. Its totient is φ = 35544040896.

The previous prime is 124404144299. The next prime is 124404144313. The reversal of 124404144312 is 213441404421.

It is a happy number.

It is a super-2 number, since 2×1244041443122 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124404144312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124404144313) 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, 52891743 + ... + 52894094.

Almost surely, 2124404144312 is an apocalyptic number.

124404144312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124404144312 is an abundant number, since it is smaller than the sum of its proper divisors (237383421648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124404144312 is a wasteful number, since it uses less digits than its factorization.

124404144312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105785860 (or 105785849 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 124404144312 its reverse (213441404421), we get a palindrome (337845548733).

The spelling of 124404144312 in words is "one hundred twenty-four billion, four hundred four million, one hundred forty-four thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 105785837 211571674 317357511 423143348 634715022 740500859 846286696 1269430044 1481001718 2221502577 2538860088 2962003436 4443005154 5183506013 5924006872 8886010308 10367012026 15550518039 17772020616 20734024052 31101036078 41468048104 62202072156 124404144312