Search a number
-
+
13244007830 = 251379667159
BaseRepresentation
bin11000101010110011…
…11000010110010110
31021011222221022021112
430111121320112112
5204110431222310
610030105015022
7646125131504
oct142531702626
937158838245
1013244007830
115686996119
122697484472
131330ac6b31
148d8d25674
15527aa0705
hex315678596

13244007830 has 16 divisors (see below), whose sum is σ = 24013225440. Its totient is φ = 5258933952.

The previous prime is 13244007823. The next prime is 13244007839. The reversal of 13244007830 is 3870044231.

13244007830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×132440078302 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244007839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4832210 + ... + 4834949.

It is an arithmetic number, because the mean of its divisors is an integer number (1500826590).

Almost surely, 213244007830 is an apocalyptic number.

13244007830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13244007830 is a deficient number, since it is larger than the sum of its proper divisors (10769217610).

13244007830 is a wasteful number, since it uses less digits than its factorization.

13244007830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9667303.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 13244007830 in words is "thirteen billion, two hundred forty-four million, seven thousand, eight hundred thirty".

Divisors: 1 2 5 10 137 274 685 1370 9667159 19334318 48335795 96671590 1324400783 2648801566 6622003915 13244007830