Base | Representation |
---|---|
bin | 100000101010011001… |
… | …1000001010001111110 |
3 | 20201001022210202211100 |
4 | 1001110303001101332 |
5 | 2122122341344340 |
6 | 52120045233530 |
7 | 5032121221416 |
oct | 1012463012176 |
9 | 221038722740 |
10 | 70142137470 |
11 | 27824454059 |
12 | 117165628a6 |
13 | 67caa22872 |
14 | 3575855646 |
15 | 1c57d3a830 |
hex | 1054cc147e |
70142137470 has 24 divisors (see below), whose sum is σ = 182369557656. Its totient is φ = 18704569968.
The previous prime is 70142137451. The next prime is 70142137477. The reversal of 70142137470 is 7473124107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70142137477) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389678452 + ... + 389678631.
It is an arithmetic number, because the mean of its divisors is an integer number (7598731569).
Almost surely, 270142137470 is an apocalyptic number.
70142137470 is an abundant number, since it is smaller than the sum of its proper divisors (112227420186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70142137470 is a wasteful number, since it uses less digits than its factorization.
70142137470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 779357096 (or 779357093 counting only the distinct ones).
The product of its (nonzero) digits is 32928, while the sum is 36.
The spelling of 70142137470 in words is "seventy billion, one hundred forty-two million, one hundred thirty-seven thousand, four hundred seventy".
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