Base | Representation |
---|---|
bin | 11011111110000100001011… |
… | …100000101100100010100000 |
3 | 121010112212101021110201212010 |
4 | 123332010023200230202200 |
5 | 112110413243432221102 |
6 | 1113343032154432520 |
7 | 34624230513041361 |
oct | 3376041340544240 |
9 | 533485337421763 |
10 | 123012351445152 |
11 | 362172775134a4 |
12 | 1196874b732740 |
13 | 5384026b622b0 |
14 | 2253b88509b68 |
15 | e34c783dbd6c |
hex | 6fe10b82c8a0 |
123012351445152 has 96 divisors (see below), whose sum is σ = 347757272533440. Its totient is φ = 37848776878080.
The previous prime is 123012351445121. The next prime is 123012351445187. The reversal of 123012351445152 is 251544153210321.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 123012351445152.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39031924 + ... + 42065612.
It is an arithmetic number, because the mean of its divisors is an integer number (3622471588890).
Almost surely, 2123012351445152 is an apocalyptic number.
123012351445152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
123012351445152 is an abundant number, since it is smaller than the sum of its proper divisors (224744921088288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123012351445152 is a wasteful number, since it uses less digits than its factorization.
123012351445152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3066206 (or 3066198 counting only the distinct ones).
The product of its (nonzero) digits is 144000, while the sum is 39.
The spelling of 123012351445152 in words is "one hundred twenty-three trillion, twelve billion, three hundred fifty-one million, four hundred forty-five thousand, one hundred fifty-two".
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