Base | Representation |
---|---|
bin | 101111101111000100… |
… | …1011011010000101000 |
3 | 100210121012000121022201 |
4 | 1133132021123100220 |
5 | 3134420340320322 |
6 | 115032032025544 |
7 | 10256216224210 |
oct | 1373611332050 |
9 | 323535017281 |
10 | 102511260712 |
11 | 3a524a30483 |
12 | 17a4a9922b4 |
13 | 9888b82523 |
14 | 4d667a3240 |
15 | 29ee93bd27 |
hex | 17de25b428 |
102511260712 has 48 divisors (see below), whose sum is σ = 220429599840. Its totient is φ = 43781400768.
The previous prime is 102511260697. The next prime is 102511260713. The reversal of 102511260712 is 217062115201.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is not an unprimeable number, because it can be changed into a prime (102511260713) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4796883 + ... + 4818205.
It is an arithmetic number, because the mean of its divisors is an integer number (4592283330).
Almost surely, 2102511260712 is an apocalyptic number.
It is an amenable number.
102511260712 is an abundant number, since it is smaller than the sum of its proper divisors (117918339128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102511260712 is an equidigital number, since it uses as much as digits as its factorization.
102511260712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21922 (or 21625 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 28.
Adding to 102511260712 its reverse (217062115201), we get a palindrome (319573375913).
The spelling of 102511260712 in words is "one hundred two billion, five hundred eleven million, two hundred sixty thousand, seven hundred twelve".
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