Base | Representation |
---|---|
bin | 100000101010011001… |
… | …1000111010010101010 |
3 | 20201001022212000121012 |
4 | 1001110303013102222 |
5 | 2122122343141330 |
6 | 52120045543522 |
7 | 5032121353250 |
oct | 1012463072252 |
9 | 221038760535 |
10 | 70142162090 |
11 | 27824470600 |
12 | 11716574ba2 |
13 | 67caa30b30 |
14 | 35758605d0 |
15 | 1c57d42c95 |
hex | 1054cc74aa |
70142162090 has 192 divisors, whose sum is σ = 176320972800. Its totient is φ = 19528819200.
The previous prime is 70142162089. The next prime is 70142162147. The reversal of 70142162090 is 9026124107.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3403136 + ... + 3423684.
It is an arithmetic number, because the mean of its divisors is an integer number (918338400).
Almost surely, 270142162090 is an apocalyptic number.
70142162090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
70142162090 is an abundant number, since it is smaller than the sum of its proper divisors (106178810710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70142162090 is a wasteful number, since it uses less digits than its factorization.
70142162090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20629 (or 20618 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 32.
Adding to 70142162090 its reverse (9026124107), we get a palindrome (79168286197).
It can be divided in two parts, 70142 and 162090, that added together give a palindrome (232232).
The spelling of 70142162090 in words is "seventy billion, one hundred forty-two million, one hundred sixty-two thousand, ninety".
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