Base | Representation |
---|---|
bin | 11111011111000101111… |
… | …11101111101011011000 |
3 | 10211102102122111221211110 |
4 | 33233202333233223120 |
5 | 120211104324334342 |
6 | 2144554240100320 |
7 | 141106063032630 |
oct | 17574277575330 |
9 | 3742378457743 |
10 | 1081845152472 |
11 | 387898426377 |
12 | 1558039046a0 |
13 | 7b02c76c546 |
14 | 3a50c28d6c0 |
15 | 1d21bc0bc9c |
hex | fbe2fefad8 |
1081845152472 has 64 divisors (see below), whose sum is σ = 3091529560320. Its totient is φ = 309044274048.
The previous prime is 1081845152471. The next prime is 1081845152513. The reversal of 1081845152472 is 2742515481801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1081845152471) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397263 + ... + 1523649.
It is an arithmetic number, because the mean of its divisors is an integer number (48305149380).
Almost surely, 21081845152472 is an apocalyptic number.
1081845152472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1081845152472 is an abundant number, since it is smaller than the sum of its proper divisors (2009684407848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1081845152472 is a wasteful number, since it uses less digits than its factorization.
1081845152472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1132120 (or 1132116 counting only the distinct ones).
The product of its (nonzero) digits is 716800, while the sum is 48.
The spelling of 1081845152472 in words is "one trillion, eighty-one billion, eight hundred forty-five million, one hundred fifty-two thousand, four hundred seventy-two".
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