Base | Representation |
---|---|
bin | 11000011101010000… |
… | …01100110100110010 |
3 | 1020220002000102112200 |
4 | 30032220030310302 |
5 | 203342330234302 |
6 | 10010524204030 |
7 | 643244613555 |
oct | 141650146462 |
9 | 36802012480 |
10 | 13130321202 |
11 | 56287a6729 |
12 | 2665399616 |
13 | 13133a073b |
14 | 8c7bb069c |
15 | 51cae581c |
hex | 30ea0cd32 |
13130321202 has 24 divisors (see below), whose sum is σ = 29217923436. Its totient is φ = 4258482336.
The previous prime is 13130321159. The next prime is 13130321221. The reversal of 13130321202 is 20212303131.
13130321202 is a `hidden beast` number, since 13 + 130 + 321 + 202 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 11312236881 + 1818084321 = 106359^2 + 42639^2 .
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 11 ways as a sum of consecutive naturals, for example, 9856933 + ... + 9858264.
Almost surely, 213130321202 is an apocalyptic number.
13130321202 is an abundant number, since it is smaller than the sum of its proper divisors (16087602234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13130321202 is a wasteful number, since it uses less digits than its factorization.
13130321202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19715242 (or 19715239 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 13130321202 its reverse (20212303131), we get a palindrome (33342624333).
The spelling of 13130321202 in words is "thirteen billion, one hundred thirty million, three hundred twenty-one thousand, two hundred two".
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