Base | Representation |
---|---|
bin | 100000111000011011… |
… | …1001011100010001011 |
3 | 20202021010210120012022 |
4 | 1001300313023202023 |
5 | 2124103411140331 |
6 | 52234505235055 |
7 | 5046566340530 |
oct | 1016067134213 |
9 | 222233716168 |
10 | 70612990091 |
11 | 27a46212656 |
12 | 11828192a8b |
13 | 6874440a97 |
14 | 35bc1c0d87 |
15 | 1c8434767b |
hex | 1070dcb88b |
70612990091 has 8 divisors (see below), whose sum is σ = 82668866784. Its totient is φ = 59049190080.
The previous prime is 70612990057. The next prime is 70612990099. The reversal of 70612990091 is 19009921607.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70612990091 - 214 = 70612973707 is a prime.
It is not an unprimeable number, because it can be changed into a prime (70612990099) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 123018860 + ... + 123019433.
It is an arithmetic number, because the mean of its divisors is an integer number (10333608348).
Almost surely, 270612990091 is an apocalyptic number.
70612990091 is a deficient number, since it is larger than the sum of its proper divisors (12055876693).
70612990091 is a wasteful number, since it uses less digits than its factorization.
70612990091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246038341.
The product of its (nonzero) digits is 61236, while the sum is 44.
The spelling of 70612990091 in words is "seventy billion, six hundred twelve million, nine hundred ninety thousand, ninety-one".
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