Base | Representation |
---|---|
bin | 1000111101110000011… |
… | …0001111011011111100 |
3 | 112201112200011210020000 |
4 | 2033130012033123330 |
5 | 10010411204311342 |
6 | 154430523354300 |
7 | 14061446320326 |
oct | 2173406173374 |
9 | 481480153200 |
10 | 154016478972 |
11 | 5a355318264 |
12 | 25a23982990 |
13 | 116a6720735 |
14 | 7650d94616 |
15 | 401650c44c |
hex | 23dc18f6fc |
154016478972 has 60 divisors (see below), whose sum is σ = 416513300280. Its totient is φ = 49568518944.
The previous prime is 154016478937. The next prime is 154016479009. The reversal of 154016478972 is 279874610451.
154016478972 is a `hidden beast` number, since 1 + 540 + 1 + 6 + 4 + 7 + 8 + 97 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8186458 + ... + 8205249.
It is an arithmetic number, because the mean of its divisors is an integer number (6941888338).
Almost surely, 2154016478972 is an apocalyptic number.
154016478972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
154016478972 is an abundant number, since it is smaller than the sum of its proper divisors (262496821308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154016478972 is a wasteful number, since it uses less digits than its factorization.
154016478972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16391752 (or 16391741 counting only the distinct ones).
The product of its (nonzero) digits is 3386880, while the sum is 54.
The spelling of 154016478972 in words is "one hundred fifty-four billion, sixteen million, four hundred seventy-eight thousand, nine hundred seventy-two".
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