Base | Representation |
---|---|
bin | 100000101010100101… |
… | …1110100111100010010 |
3 | 20201001210001011100102 |
4 | 1001111023310330102 |
5 | 2122131022444110 |
6 | 52120440452402 |
7 | 5032230414653 |
oct | 1012513647422 |
9 | 221053034312 |
10 | 70148640530 |
11 | 27828095991 |
12 | 1171877a102 |
13 | 67cc18b827 |
14 | 357666952a |
15 | 1c586c25a5 |
hex | 10552f4f12 |
70148640530 has 32 divisors (see below), whose sum is σ = 126703180800. Its totient is φ = 27962746560.
The previous prime is 70148640503. The next prime is 70148640571. The reversal of 70148640530 is 3504684107.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7278815 + ... + 7288445.
It is an arithmetic number, because the mean of its divisors is an integer number (3959474400).
Almost surely, 270148640530 is an apocalyptic number.
70148640530 is a deficient number, since it is larger than the sum of its proper divisors (56554540270).
70148640530 is a wasteful number, since it uses less digits than its factorization.
70148640530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12074.
The product of its (nonzero) digits is 80640, while the sum is 38.
The spelling of 70148640530 in words is "seventy billion, one hundred forty-eight million, six hundred forty thousand, five hundred thirty".
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