Base | Representation |
---|---|
bin | 101001001100110000010… |
… | …011100011000000011000 |
3 | 101000122210202202210210222 |
4 | 221030300103203000120 |
5 | 332341241113103202 |
6 | 10004344342255212 |
7 | 411355423620314 |
oct | 51146023430030 |
9 | 11018722683728 |
10 | 2831193878552 |
11 | 9a17801541a6 |
12 | 398855127508 |
13 | 176c99035c40 |
14 | 9b05da38b44 |
15 | 4d9a4b254a2 |
hex | 293304e3018 |
2831193878552 has 128 divisors (see below), whose sum is σ = 6159817359360. Its totient is φ = 1209180994560.
The previous prime is 2831193878549. The next prime is 2831193878593. The reversal of 2831193878552 is 2558783911382.
It is a Harshad number since it is a multiple of its sum of digits (62).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450321953 + ... + 450328239.
It is an arithmetic number, because the mean of its divisors is an integer number (48123573120).
Almost surely, 22831193878552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2831193878552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3079908679680).
2831193878552 is an abundant number, since it is smaller than the sum of its proper divisors (3328623480808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2831193878552 is a wasteful number, since it uses less digits than its factorization.
2831193878552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12433 (or 12429 counting only the distinct ones).
The product of its digits is 29030400, while the sum is 62.
The spelling of 2831193878552 in words is "two trillion, eight hundred thirty-one billion, one hundred ninety-three million, eight hundred seventy-eight thousand, five hundred fifty-two".
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