Base | Representation |
---|---|
bin | 100000101001010011… |
… | …1101001000000111000 |
3 | 20200221210001110220210 |
4 | 1001102213221000320 |
5 | 2122034013200211 |
6 | 52112302151120 |
7 | 5031165524352 |
oct | 1012247510070 |
9 | 220853043823 |
10 | 70105600056 |
11 | 27805868a48 |
12 | 117062824a0 |
13 | 67c329c0ab |
14 | 3570a640d2 |
15 | 1c54a1e9a6 |
hex | 10529e9038 |
70105600056 has 64 divisors (see below), whose sum is σ = 188778902400. Its totient is φ = 21623753088.
The previous prime is 70105600051. The next prime is 70105600091. The reversal of 70105600056 is 65000650107.
It is a junction number, because it is equal to n+sod(n) for n = 70105599996 and 70105600032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70105600051) 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, 1768071 + ... + 1807286.
It is an arithmetic number, because the mean of its divisors is an integer number (2949670350).
Almost surely, 270105600056 is an apocalyptic number.
70105600056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.
It is an amenable number.
70105600056 is an abundant number, since it is smaller than the sum of its proper divisors (118673302344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70105600056 is a wasteful number, since it uses less digits than its factorization.
70105600056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3575428 (or 3575424 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 30.
The spelling of 70105600056 in words is "seventy billion, one hundred five million, six hundred thousand, fifty-six".
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