Search a number
-
+
13142085240 = 2335268340819
BaseRepresentation
bin11000011110101010…
…00100111001111000
31020220220011002202210
430033111010321320
5203403333211430
610012024255120
7643446611214
oct141725047170
936826132683
1013142085240
115634401179
1226693114a0
13131595c1cb
148c9593944
1551db6b2b0
hex30f544e78

13142085240 has 64 divisors (see below), whose sum is σ = 39441916800. Its totient is φ = 3503164032.

The previous prime is 13142085217. The next prime is 13142085247. The reversal of 13142085240 is 4258024131.

13142085240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13142085198 and 13142085207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142085247) 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 15 ways as a sum of consecutive naturals, for example, 301551 + ... + 342369.

It is an arithmetic number, because the mean of its divisors is an integer number (616279950).

Almost surely, 213142085240 is an apocalyptic number.

13142085240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13142085240 is an abundant number, since it is smaller than the sum of its proper divisors (26299831560).

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

13142085240 is a wasteful number, since it uses less digits than its factorization.

13142085240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43516 (or 43512 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 13142085240 in words is "thirteen billion, one hundred forty-two million, eighty-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2683 5366 8049 10732 13415 16098 21464 26830 32196 40245 40819 53660 64392 80490 81638 107320 122457 160980 163276 204095 244914 321960 326552 408190 489828 612285 816380 979656 1224570 1632760 2449140 4898280 109517377 219034754 328552131 438069508 547586885 657104262 876139016 1095173770 1314208524 1642760655 2190347540 2628417048 3285521310 4380695080 6571042620 13142085240