Base | Representation |
---|---|
bin | 11111111110000000000… |
… | …00010000010111001100 |
3 | 10220000021000210120001010 |
4 | 33333000000100113030 |
5 | 120444100103443342 |
6 | 2200340533245220 |
7 | 142234213355403 |
oct | 17770000202714 |
9 | 3800230716033 |
10 | 1098437952972 |
11 | 393932651a38 |
12 | 158a74793810 |
13 | 7c7752a03a9 |
14 | 3b243c5263a |
15 | 1d88d79c29c |
hex | ffc00105cc |
1098437952972 has 48 divisors (see below), whose sum is σ = 2617705423872. Its totient is φ = 358334951040.
The previous prime is 1098437952947. The next prime is 1098437953001. The reversal of 1098437952972 is 2792597348901.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12014472 + ... + 12105552.
It is an arithmetic number, because the mean of its divisors is an integer number (54535529664).
Almost surely, 21098437952972 is an apocalyptic number.
1098437952972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1098437952972 is an abundant number, since it is smaller than the sum of its proper divisors (1519267470900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1098437952972 is a wasteful number, since it uses less digits than its factorization.
1098437952972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112518 (or 112516 counting only the distinct ones).
The product of its (nonzero) digits is 68584320, while the sum is 66.
The spelling of 1098437952972 in words is "one trillion, ninety-eight billion, four hundred thirty-seven million, nine hundred fifty-two thousand, nine hundred seventy-two".
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