Search a number
-
+
13122302320 = 2451301126079
BaseRepresentation
bin11000011100010011…
…00111000101110000
31020212111221000201001
430032021213011300
5203333302133240
610010040251344
7643116505111
oct141611470560
936774830631
1013122302320
115624219a56
122662770b54
13131182383a
148c6ac4208
1551c05e89a
hex30e267170

13122302320 has 40 divisors (see below), whose sum is σ = 30533045760. Its totient is φ = 5244844800.

The previous prime is 13122302257. The next prime is 13122302341. The reversal of 13122302320 is 2320322131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41041 + ... + 167119.

It is an arithmetic number, because the mean of its divisors is an integer number (763326144).

Almost surely, 213122302320 is an apocalyptic number.

13122302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13122302320 is an abundant number, since it is smaller than the sum of its proper divisors (17410743440).

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

13122302320 is a wasteful number, since it uses less digits than its factorization.

13122302320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127393 (or 127387 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13122302320 its reverse (2320322131), we get a palindrome (15442624451).

The spelling of 13122302320 in words is "thirteen billion, one hundred twenty-two million, three hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1301 2602 5204 6505 10408 13010 20816 26020 52040 104080 126079 252158 504316 630395 1008632 1260790 2017264 2521580 5043160 10086320 164028779 328057558 656115116 820143895 1312230232 1640287790 2624460464 3280575580 6561151160 13122302320