Search a number
-
+
10512344139 = 3112129149627
BaseRepresentation
bin10011100101001010…
…11010010001001011
31000010121211102011020
421302211122101023
5133012130003024
64455044003523
7521335310433
oct116245322113
930117742136
1010512344139
114504a42820
1220546905a3
13cb6ba509b
1471a20d2c3
15417d63979
hex27295a44b

10512344139 has 16 divisors (see below), whose sum is σ = 15297966720. Its totient is φ = 6368082560.

The previous prime is 10512344137. The next prime is 10512344147. The reversal of 10512344139 is 93144321501.

It is a cyclic number.

It is not a de Polignac number, because 10512344139 - 21 = 10512344137 is a prime.

It is a super-2 number, since 2×105123441392 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (10512344131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4557 + ... + 145070.

It is an arithmetic number, because the mean of its divisors is an integer number (956122920).

Almost surely, 210512344139 is an apocalyptic number.

10512344139 is a deficient number, since it is larger than the sum of its proper divisors (4785622581).

10512344139 is a wasteful number, since it uses less digits than its factorization.

10512344139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151770.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 10512344139 in words is "ten billion, five hundred twelve million, three hundred forty-four thousand, one hundred thirty-nine".

Divisors: 1 3 11 33 2129 6387 23419 70257 149627 448881 1645897 4937691 318555883 955667649 3504114713 10512344139