Base | Representation |
---|---|
bin | 100000101010110111… |
… | …1011011110100010101 |
3 | 20201002102121101120022 |
4 | 1001111233123310111 |
5 | 2122140420143210 |
6 | 52121412514525 |
7 | 5032402642412 |
oct | 1012557336425 |
9 | 221072541508 |
10 | 70157974805 |
11 | 27832390966 |
12 | 1171b91ba45 |
13 | 68010a9379 |
14 | 35779b9109 |
15 | 1c59418155 |
hex | 1055bdbd15 |
70157974805 has 8 divisors (see below), whose sum is σ = 84961951800. Its totient is φ = 55611458496.
The previous prime is 70157974801. The next prime is 70157974807. The reversal of 70157974805 is 50847975107.
It can be written as a sum of positive squares in 4 ways, for example, as 34124064529 + 36033910276 = 184727^2 + 189826^2 .
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 70157974805 - 22 = 70157974801 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70157974801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64364570 + ... + 64365659.
It is an arithmetic number, because the mean of its divisors is an integer number (10620243975).
Almost surely, 270157974805 is an apocalyptic number.
It is an amenable number.
70157974805 is a deficient number, since it is larger than the sum of its proper divisors (14803976995).
70157974805 is a wasteful number, since it uses less digits than its factorization.
70157974805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128730343.
The product of its (nonzero) digits is 2469600, while the sum is 53.
The spelling of 70157974805 in words is "seventy billion, one hundred fifty-seven million, nine hundred seventy-four thousand, eight hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •