Base | Representation |
---|---|
bin | 100011000110100001… |
… | …1110110101000010111 |
3 | 21012120102201200100212 |
4 | 1012031003312220113 |
5 | 2213340021313222 |
6 | 54343553200035 |
7 | 5306004165560 |
oct | 1061503665027 |
9 | 235512650325 |
10 | 75381041687 |
11 | 29a726a6366 |
12 | 12738b6001b |
13 | 715420a5a3 |
14 | 3911545167 |
15 | 1e62c336e2 |
hex | 118d0f6a17 |
75381041687 has 16 divisors (see below), whose sum is σ = 88760907072. Its totient is φ = 62665125120.
The previous prime is 75381041653. The next prime is 75381041699. The reversal of 75381041687 is 78614018357.
It is a cyclic number.
It is not a de Polignac number, because 75381041687 - 224 = 75364264471 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75381041287) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383864 + ... + 545997.
It is an arithmetic number, because the mean of its divisors is an integer number (5547556692).
Almost surely, 275381041687 is an apocalyptic number.
75381041687 is a deficient number, since it is larger than the sum of its proper divisors (13379865385).
75381041687 is a wasteful number, since it uses less digits than its factorization.
75381041687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 930218.
The product of its (nonzero) digits is 1128960, while the sum is 50.
The spelling of 75381041687 in words is "seventy-five billion, three hundred eighty-one million, forty-one thousand, six hundred eighty-seven".
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