Base | Representation |
---|---|
bin | 1100001011000… |
… | …11110000100000 |
3 | 21010011020222000 |
4 | 12011203300200 |
5 | 202120323410 |
6 | 14044444000 |
7 | 2350003230 |
oct | 605436040 |
9 | 233136860 |
10 | 102120480 |
11 | 5270a6a0 |
12 | 2a249600 |
13 | 18206a27 |
14 | d7c3cc0 |
15 | 8e72dc0 |
hex | 6163c20 |
102120480 has 384 divisors, whose sum is σ = 447068160. Its totient is φ = 21150720.
The previous prime is 102120467. The next prime is 102120509. The reversal of 102120480 is 84021201.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 332487 + ... + 332793.
It is an arithmetic number, because the mean of its divisors is an integer number (1164240).
Almost surely, 2102120480 is an apocalyptic number.
102120480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102120480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223534080).
102120480 is an abundant number, since it is smaller than the sum of its proper divisors (344947680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102120480 is a wasteful number, since it uses less digits than its factorization.
102120480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349 (or 335 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 102120480 is about 10105.4678268747. The cubic root of 102120480 is about 467.4167619446.
Adding to 102120480 its reverse (84021201), we get a palindrome (186141681).
The spelling of 102120480 in words is "one hundred two million, one hundred twenty thousand, four hundred eighty".
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