Base | Representation |
---|---|
bin | 100001000011011000… |
… | …0110101001111000100 |
3 | 20210012202012011122110 |
4 | 1002012300311033010 |
5 | 2130331442042034 |
6 | 52335152501020 |
7 | 5061650440353 |
oct | 1020660651704 |
9 | 223182164573 |
10 | 70980424644 |
11 | 28114665678 |
12 | 1190b24a770 |
13 | 69025bc78c |
14 | 3614d0999a |
15 | 1ca6726de9 |
hex | 1086c353c4 |
70980424644 has 12 divisors (see below), whose sum is σ = 165620990864. Its totient is φ = 23660141544.
The previous prime is 70980424633. The next prime is 70980424673. The reversal of 70980424644 is 44642408907.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 70980424593 and 70980424602.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2957517682 + ... + 2957517705.
Almost surely, 270980424644 is an apocalyptic number.
It is an amenable number.
70980424644 is an abundant number, since it is smaller than the sum of its proper divisors (94640566220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70980424644 is a wasteful number, since it uses less digits than its factorization.
70980424644 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5915035394 (or 5915035392 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 48.
The spelling of 70980424644 in words is "seventy billion, nine hundred eighty million, four hundred twenty-four thousand, six hundred forty-four".
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