Base | Representation |
---|---|
bin | 11111110111110100101000… |
… | …11000111001000000000100 |
3 | 100012011022202220121212211010 |
4 | 33323322110120321000010 |
5 | 33141304221031422103 |
6 | 405021513011042220 |
7 | 20522450114260356 |
oct | 1773722430710004 |
9 | 305138686555733 |
10 | 70087765889028 |
11 | 20372066729608 |
12 | 7a3b58aba0370 |
13 | 301532ba13414 |
14 | 13443a1b670d6 |
15 | 818224b68903 |
hex | 3fbe94639004 |
70087765889028 has 12 divisors (see below), whose sum is σ = 163538120407760. Its totient is φ = 23362588629672.
The previous prime is 70087765889023. The next prime is 70087765889107. The reversal of 70087765889028 is 82098856778007.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (70087765889023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2920323578698 + ... + 2920323578721.
Almost surely, 270087765889028 is an apocalyptic number.
It is an amenable number.
70087765889028 is an abundant number, since it is smaller than the sum of its proper divisors (93450354518732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70087765889028 is a wasteful number, since it uses less digits than its factorization.
70087765889028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5840647157426 (or 5840647157424 counting only the distinct ones).
The product of its (nonzero) digits is 758661120, while the sum is 75.
The spelling of 70087765889028 in words is "seventy trillion, eighty-seven billion, seven hundred sixty-five million, eight hundred eighty-nine thousand, twenty-eight".
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