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126130565160 = 23325350362681
BaseRepresentation
bin111010101110111110…
…1111011000000101000
3110001120020220120220100
41311131331323000220
54031303411041120
6133535451425400
712053430054135
oct1653575730050
9401506816810
10126130565160
11495454634a6
1220540a55260
13bb81338c12
14616762158c
1534332ce490
hex1d5df7b028

126130565160 has 48 divisors (see below), whose sum is σ = 409924337940. Its totient is φ = 33634817280.

The previous prime is 126130565159. The next prime is 126130565161. The reversal of 126130565160 is 61565031621.

126130565160 is a `hidden beast` number, since 1 + 2 + 6 + 1 + 30 + 565 + 1 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (126130565159) and next prime (126130565161).

It can be written as a sum of positive squares in 2 ways, for example, as 119227946436 + 6902618724 = 345294^2 + 83082^2 .

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 (126130565161) 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, 175180981 + ... + 175181700.

Almost surely, 2126130565160 is an apocalyptic number.

126130565160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126130565160 is an abundant number, since it is smaller than the sum of its proper divisors (283793772780).

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

126130565160 is a wasteful number, since it uses less digits than its factorization.

126130565160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350362698 (or 350362691 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Adding to 126130565160 its reverse (61565031621), we get a palindrome (187695596781).

The spelling of 126130565160 in words is "one hundred twenty-six billion, one hundred thirty million, five hundred sixty-five thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 350362681 700725362 1051088043 1401450724 1751813405 2102176086 2802901448 3153264129 3503626810 4204352172 5255440215 6306528258 7007253620 8408704344 10510880430 12613056516 14014507240 15766320645 21021760860 25226113032 31532641290 42043521720 63065282580 126130565160