Base | Representation |
---|---|
bin | 10011011111111011011101… |
… | …01111000000001110110001 |
3 | 12121211010221112020111121210 |
4 | 21233331232233000032301 |
5 | 21110010200140101231 |
6 | 231110041331110333 |
7 | 12013604415130110 |
oct | 1157755657001661 |
9 | 177733845214553 |
10 | 42878516331441 |
11 | 127317496a056a |
12 | 49861884423a9 |
13 | 1ac05717186cb |
14 | a8348cdb7c77 |
15 | 4e557e0d9a46 |
hex | 26ff6ebc03b1 |
42878516331441 has 32 divisors (see below), whose sum is σ = 65731275767808. Its totient is φ = 24354796213440.
The previous prime is 42878516331419. The next prime is 42878516331461. The reversal of 42878516331441 is 14413361587824.
It is not a de Polignac number, because 42878516331441 - 211 = 42878516329393 is a prime.
It is not an unprimeable number, because it can be changed into a prime (42878516331461) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237449376 + ... + 237629886.
It is an arithmetic number, because the mean of its divisors is an integer number (2054102367744).
Almost surely, 242878516331441 is an apocalyptic number.
It is an amenable number.
42878516331441 is a deficient number, since it is larger than the sum of its proper divisors (22852759436367).
42878516331441 is a wasteful number, since it uses less digits than its factorization.
42878516331441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248421.
The product of its digits is 15482880, while the sum is 57.
The spelling of 42878516331441 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred sixteen million, three hundred thirty-one thousand, four hundred forty-one".
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