Search a number
-
+
12100013030 = 257172857329
BaseRepresentation
bin10110100010011011…
…11000101111100110
31011020021022100102202
423101031320233212
5144240100404110
65320401134502
7605564261630
oct132115705746
934207270382
1012100013030
11514a161976
12241832a432
1311aaab1231
1482b013a50
154ac4290a5
hex2d1378be6

12100013030 has 16 divisors (see below), whose sum is σ = 24891455520. Its totient is φ = 4148575872.

The previous prime is 12100013027. The next prime is 12100013047. The reversal of 12100013030 is 3031000121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86428595 + ... + 86428734.

It is an arithmetic number, because the mean of its divisors is an integer number (1555715970).

Almost surely, 212100013030 is an apocalyptic number.

12100013030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100013030 is an abundant number, since it is smaller than the sum of its proper divisors (12791442490).

12100013030 is a wasteful number, since it uses less digits than its factorization.

12100013030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172857343.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 12100013030 its reverse (3031000121), we get a palindrome (15131013151).

The spelling of 12100013030 in words is "twelve billion, one hundred million, thirteen thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 172857329 345714658 864286645 1210001303 1728573290 2420002606 6050006515 12100013030