Base | Representation |
---|---|
bin | 110000111010001011… |
… | …1010010111000000000 |
3 | 101001002211020221120210 |
4 | 1201310113102320000 |
5 | 3210101024310114 |
6 | 120130101034120 |
7 | 10405530560601 |
oct | 1416427227000 |
9 | 331084227523 |
10 | 105031478784 |
11 | 405a8593631 |
12 | 184329b5940 |
13 | 9b9b04041b |
14 | 5125397da8 |
15 | 2aead0d259 |
hex | 18745d2e00 |
105031478784 has 40 divisors (see below), whose sum is σ = 279810428040. Its totient is φ = 35010492416.
The previous prime is 105031478719. The next prime is 105031478821. The reversal of 105031478784 is 487874130501.
It is a super-2 number, since 2×1050314787842 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34188399 + ... + 34191470.
It is an arithmetic number, because the mean of its divisors is an integer number (6995260701).
Almost surely, 2105031478784 is an apocalyptic number.
It is an amenable number.
105031478784 is an abundant number, since it is smaller than the sum of its proper divisors (174778949256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105031478784 is an frugal number, since it uses more digits than its factorization.
105031478784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68379890 (or 68379874 counting only the distinct ones).
The product of its (nonzero) digits is 752640, while the sum is 48.
The spelling of 105031478784 in words is "one hundred five billion, thirty-one million, four hundred seventy-eight thousand, seven hundred eighty-four".
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