Base | Representation |
---|---|
bin | 101111101101101011… |
… | …0101011101111100100 |
3 | 100210110220212001121200 |
4 | 1133123112223233210 |
5 | 3134321341420302 |
6 | 115023235442500 |
7 | 10255110032064 |
oct | 1373326535744 |
9 | 323426761550 |
10 | 102464404452 |
11 | 3a5005376a3 |
12 | 17a37156430 |
13 | 987c258027 |
14 | 4d604873a4 |
15 | 29ea78381c |
hex | 17db5abbe4 |
102464404452 has 36 divisors (see below), whose sum is σ = 259030087680. Its totient is φ = 34151789232.
The previous prime is 102464404447. The next prime is 102464404459. The reversal of 102464404452 is 254404464201.
102464404452 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 644 + 0 + 4 + 4 + 5 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (102464404459) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308949 + ... + 548067.
Almost surely, 2102464404452 is an apocalyptic number.
102464404452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102464404452 is an abundant number, since it is smaller than the sum of its proper divisors (156565683228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102464404452 is a wasteful number, since it uses less digits than its factorization.
102464404452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251032 (or 251027 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 36.
Adding to 102464404452 its reverse (254404464201), we get a palindrome (356868868653).
The spelling of 102464404452 in words is "one hundred two billion, four hundred sixty-four million, four hundred four thousand, four hundred fifty-two".
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