Base | Representation |
---|---|
bin | 100000101000011101… |
… | …0000001001000101101 |
3 | 20200212202222111010011 |
4 | 1001100322001020231 |
5 | 2122004134104041 |
6 | 52105354213221 |
7 | 5030366336044 |
oct | 1012072011055 |
9 | 220782874104 |
10 | 70076863021 |
11 | 277a0620430 |
12 | 116b8724211 |
13 | 67ba349c29 |
14 | 356ad0355b |
15 | 1c52244e81 |
hex | 1050e8122d |
70076863021 has 64 divisors (see below), whose sum is σ = 84722319360. Its totient is φ = 57238272000.
The previous prime is 70076863007. The next prime is 70076863063. The reversal of 70076863021 is 12036867007.
It is a cyclic number.
It is not a de Polignac number, because 70076863021 - 27 = 70076862893 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 (70076863081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76922556 + ... + 76923466.
It is an arithmetic number, because the mean of its divisors is an integer number (1323786240).
Almost surely, 270076863021 is an apocalyptic number.
It is an amenable number.
70076863021 is a deficient number, since it is larger than the sum of its proper divisors (14645456339).
70076863021 is a wasteful number, since it uses less digits than its factorization.
70076863021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1186.
The product of its (nonzero) digits is 84672, while the sum is 40.
The spelling of 70076863021 in words is "seventy billion, seventy-six million, eight hundred sixty-three thousand, twenty-one".
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