Base | Representation |
---|---|
bin | 101111111110010001… |
… | …1000111010010011100 |
3 | 100211220201202211222000 |
4 | 1133330203013102130 |
5 | 3141441423424012 |
6 | 115154412122300 |
7 | 10304651460525 |
oct | 1377443072234 |
9 | 324821684860 |
10 | 103021311132 |
11 | 3a766931953 |
12 | 17b71766390 |
13 | 993a7460cc |
14 | 4db441384c |
15 | 2a2e5dcddc |
hex | 17fc8c749c |
103021311132 has 48 divisors (see below), whose sum is σ = 267149836800. Its totient is φ = 34333038000.
The previous prime is 103021311067. The next prime is 103021311139. The reversal of 103021311132 is 231113120301.
It is a super-2 number, since 2×1030213111322 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103021311139) 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, 412719 + ... + 613497.
It is an arithmetic number, because the mean of its divisors is an integer number (5565621600).
Almost surely, 2103021311132 is an apocalyptic number.
103021311132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
103021311132 is an abundant number, since it is smaller than the sum of its proper divisors (164128525668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103021311132 is a wasteful number, since it uses less digits than its factorization.
103021311132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205543 (or 205535 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 103021311132 its reverse (231113120301), we get a palindrome (334134431433).
The spelling of 103021311132 in words is "one hundred three billion, twenty-one million, three hundred eleven thousand, one hundred thirty-two".
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