Base | Representation |
---|---|
bin | 10011011111111011011101… |
… | …00111101001111011001110 |
3 | 12121211010221101121122010201 |
4 | 21233331232213221323032 |
5 | 21110010144141430240 |
6 | 231110041221524114 |
7 | 12013604362554631 |
oct | 1157755647517316 |
9 | 177733841548121 |
10 | 42878514405070 |
11 | 127317485a5223 |
12 | 498618787363a |
13 | 1ac05711c2946 |
14 | a8348ca35c18 |
15 | 4e557dd58d9a |
hex | 26ff6e9e9ece |
42878514405070 has 32 divisors (see below), whose sum is σ = 78112297589760. Its totient is φ = 16944528865440.
The previous prime is 42878514405053. The next prime is 42878514405079. The reversal of 42878514405070 is 7050441587824.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42878514405079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67777515 + ... + 68407225.
It is an arithmetic number, because the mean of its divisors is an integer number (2441009299680).
Almost surely, 242878514405070 is an apocalyptic number.
42878514405070 is a deficient number, since it is larger than the sum of its proper divisors (35233783184690).
42878514405070 is a wasteful number, since it uses less digits than its factorization.
42878514405070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 711840.
The product of its (nonzero) digits is 10035200, while the sum is 55.
The spelling of 42878514405070 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred fourteen million, four hundred five thousand, seventy".
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