Search a number
-
+
38149114140 = 2232511315112421
BaseRepresentation
bin100011100001110111…
…010100100100011100
310122110200021210102100
4203201313110210130
51111112133123030
625305255525100
72520241056054
oct434167244434
9118420253370
1038149114140
11151a71a9105
127488089790
13379c786b27
141bbc84a564
15ed427b360
hex8e1dd491c

38149114140 has 144 divisors (see below), whose sum is σ = 117525635136. Its totient is φ = 10015488000.

The previous prime is 38149114117. The next prime is 38149114193. The reversal of 38149114140 is 4141194183.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 38149114095 and 38149114104.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3065130 + ... + 3077550.

It is an arithmetic number, because the mean of its divisors is an integer number (816150244).

Almost surely, 238149114140 is an apocalyptic number.

38149114140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38149114140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58762817568).

38149114140 is an abundant number, since it is smaller than the sum of its proper divisors (79376520996).

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

38149114140 is a wasteful number, since it uses less digits than its factorization.

38149114140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12700 (or 12695 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 38149114140 in words is "thirty-eight billion, one hundred forty-nine million, one hundred fourteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 113 151 180 226 302 339 452 453 565 604 678 755 906 1017 1130 1356 1359 1510 1695 1812 2034 2260 2265 2718 3020 3390 4068 4530 5085 5436 6780 6795 9060 10170 12421 13590 17063 20340 24842 27180 34126 37263 49684 51189 62105 68252 74526 85315 102378 111789 124210 149052 153567 170630 186315 204756 223578 248420 255945 307134 341260 372630 447156 511890 558945 614268 745260 767835 1023780 1117890 1403573 1535670 1875571 2235780 2807146 3071340 3751142 4210719 5614292 5626713 7017865 7502284 8421438 9377855 11253426 12632157 14035730 16842876 16880139 18755710 21053595 22506852 25264314 28071460 28133565 33760278 37511420 42107190 50528628 56267130 63160785 67520556 84214380 84400695 112534260 126321570 168801390 211939523 252643140 337602780 423879046 635818569 847758092 1059697615 1271637138 1907455707 2119395230 2543274276 3179092845 3814911414 4238790460 6358185690 7629822828 9537278535 12716371380 19074557070 38149114140