Search a number
-
+
12078145130 = 251207814513
BaseRepresentation
bin10110011111110100…
…11101111001101010
31011011202011100022112
423033322131321222
5144214001121010
65314300322322
7605210353052
oct131772357152
934152140275
1012078145130
115138886227
122410b433a2
1311a63c584c
14828160562
154aa559a05
hex2cfe9de6a

12078145130 has 8 divisors (see below), whose sum is σ = 21740661252. Its totient is φ = 4831258048.

The previous prime is 12078145103. The next prime is 12078145199. The reversal of 12078145130 is 3154187021.

It can be written as a sum of positive squares in 2 ways, for example, as 11015971849 + 1062173281 = 104957^2 + 32591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603907247 + ... + 603907266.

Almost surely, 212078145130 is an apocalyptic number.

12078145130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12078145130 is a deficient number, since it is larger than the sum of its proper divisors (9662516122).

12078145130 is a wasteful number, since it uses less digits than its factorization.

12078145130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207814520.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 12078145130 in words is "twelve billion, seventy-eight million, one hundred forty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 1207814513 2415629026 6039072565 12078145130