Base | Representation |
---|---|
bin | 100010011101110100… |
… | …1011010111001110000 |
3 | 21002001020120121000102 |
4 | 1010323221122321300 |
5 | 2203040340022442 |
6 | 54000241411532 |
7 | 5230110314165 |
oct | 1047351327160 |
9 | 232036517012 |
10 | 74015157872 |
11 | 29431699667 |
12 | 12417639ba8 |
13 | 6c97245506 |
14 | 3821d9406c |
15 | 1dd2d7c232 |
hex | 113ba5ae70 |
74015157872 has 40 divisors (see below), whose sum is σ = 152388233136. Its totient is φ = 34704884736.
The previous prime is 74015157841. The next prime is 74015157877. The reversal of 74015157872 is 27875151047.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74015157877) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415838 + ... + 566525.
Almost surely, 274015157872 is an apocalyptic number.
It is an amenable number.
74015157872 is an abundant number, since it is smaller than the sum of its proper divisors (78373075264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74015157872 is a wasteful number, since it uses less digits than its factorization.
74015157872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 982665 (or 982659 counting only the distinct ones).
The product of its (nonzero) digits is 548800, while the sum is 47.
The spelling of 74015157872 in words is "seventy-four billion, fifteen million, one hundred fifty-seven thousand, eight hundred seventy-two".
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