Base | Representation |
---|---|
bin | 111111111010000001… |
… | …0100001000111111010 |
3 | 111010020101001022111200 |
4 | 1333310002201013322 |
5 | 4222031000134332 |
6 | 143014004435030 |
7 | 12625615122306 |
oct | 1776402410772 |
9 | 433211038450 |
10 | 137238286842 |
11 | 53225487178 |
12 | 227209a8a76 |
13 | cc3167b8b7 |
14 | 68dc932d06 |
15 | 388354b17c |
hex | 1ff40a11fa |
137238286842 has 24 divisors (see below), whose sum is σ = 298906433280. Its totient is φ = 45506586120.
The previous prime is 137238286811. The next prime is 137238286853. The reversal of 137238286842 is 248682832731.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19955592 + ... + 19962467.
It is an arithmetic number, because the mean of its divisors is an integer number (12454434720).
Almost surely, 2137238286842 is an apocalyptic number.
137238286842 is an abundant number, since it is smaller than the sum of its proper divisors (161668146438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137238286842 is a wasteful number, since it uses less digits than its factorization.
137238286842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39918258 (or 39918255 counting only the distinct ones).
The product of its digits is 6193152, while the sum is 54.
The spelling of 137238286842 in words is "one hundred thirty-seven billion, two hundred thirty-eight million, two hundred eighty-six thousand, eight hundred forty-two".
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