Base | Representation |
---|---|
bin | 110000001010111010… |
… | …0100010010111001000 |
3 | 100220000021121011112000 |
4 | 1200111310202113020 |
5 | 3143323444340442 |
6 | 115304435551000 |
7 | 10321320421533 |
oct | 1402564422710 |
9 | 326007534460 |
10 | 103445308872 |
11 | 3a9641a8704 |
12 | 1806b75b460 |
13 | 99a753a649 |
14 | 5014863a1a |
15 | 2a56941d4c |
hex | 1815d225c8 |
103445308872 has 32 divisors (see below), whose sum is σ = 287348080800. Its totient is φ = 34481769552.
The previous prime is 103445308871. The next prime is 103445308877. The reversal of 103445308872 is 278803544301.
103445308872 is a `hidden beast` number, since 1 + 0 + 3 + 44 + 530 + 8 + 8 + 72 = 666.
It is not an unprimeable number, because it can be changed into a prime (103445308871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239456518 + ... + 239456949.
It is an arithmetic number, because the mean of its divisors is an integer number (8979627525).
Almost surely, 2103445308872 is an apocalyptic number.
103445308872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
103445308872 is an abundant number, since it is smaller than the sum of its proper divisors (183902771928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103445308872 is a wasteful number, since it uses less digits than its factorization.
103445308872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 478913482 (or 478913472 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 45.
The spelling of 103445308872 in words is "one hundred three billion, four hundred forty-five million, three hundred eight thousand, eight hundred seventy-two".
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