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12530202104 = 2371713161977
BaseRepresentation
bin10111010101101101…
…11011010111111000
31012100020210012220102
423222312323113320
5201130212431404
65431205414532
7622336650320
oct135266732770
935306705812
1012530202104
11534aa77332
12251840a448
131248c62894
1486c1d6280
154d50a271e
hex2eadbb5f8

12530202104 has 32 divisors (see below), whose sum is σ = 28429872480. Its totient is φ = 5054198784.

The previous prime is 12530202101. The next prime is 12530202127. The reversal of 12530202104 is 40120203521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530202101) 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, 6580037 + ... + 6581940.

It is an arithmetic number, because the mean of its divisors is an integer number (888433515).

Almost surely, 212530202104 is an apocalyptic number.

12530202104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12530202104 is an abundant number, since it is smaller than the sum of its proper divisors (15899670376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12530202104 is a wasteful number, since it uses less digits than its factorization.

12530202104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13162007 (or 13162003 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12530202104 its reverse (40120203521), we get a palindrome (52650405625).

The spelling of 12530202104 in words is "twelve billion, five hundred thirty million, two hundred two thousand, one hundred four".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 13161977 26323954 52647908 92133839 105295816 184267678 223753609 368535356 447507218 737070712 895014436 1566275263 1790028872 3132550526 6265101052 12530202104