Search a number
-
+
239678106888 = 2331123235716747
BaseRepresentation
bin1101111100110111101…
…1011010110100001000
3211220122120122100122210
43133031323122310020
512411330043410023
6302035005345120
723213306202633
oct3371573326410
9756576570583
10239678106888
1192713052180
123a54b8681a0
13197a87a992c
14b859a1ac1a
15637ba75593
hex37cdedad08

239678106888 has 128 divisors (see below), whose sum is σ = 682418027520. Its totient is φ = 69438293760.

The previous prime is 239678106847. The next prime is 239678106919. The reversal of 239678106888 is 888601876932.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14303331 + ... + 14320077.

It is an arithmetic number, because the mean of its divisors is an integer number (5331390840).

Almost surely, 2239678106888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239678106888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341209013760).

239678106888 is an abundant number, since it is smaller than the sum of its proper divisors (442739920632).

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

239678106888 is a wasteful number, since it uses less digits than its factorization.

239678106888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19147 (or 19143 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 66.

The spelling of 239678106888 in words is "two hundred thirty-nine billion, six hundred seventy-eight million, one hundred six thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 23 24 33 44 46 66 69 88 92 132 138 184 253 264 276 506 552 759 1012 1518 2024 2357 3036 4714 6072 7071 9428 14142 16747 18856 25927 28284 33494 50241 51854 54211 56568 66988 77781 100482 103708 108422 133976 155562 162633 184217 200964 207416 216844 311124 325266 368434 385181 401928 433688 552651 596321 622248 650532 736868 770362 1105302 1155543 1192642 1301064 1473736 1540724 1788963 2210604 2311086 2385284 3081448 3577926 4236991 4421208 4622172 4770568 7155852 8473982 9244344 12710973 14311704 16947964 25421946 33895928 39472679 50843892 78945358 101687784 118418037 157890716 236836074 315781432 434199469 473672148 868398938 907871617 947344296 1302598407 1736797876 1815743234 2605196814 2723614851 3473595752 3631486468 5210393628 5447229702 7262972936 9986587787 10420787256 10894459404 19973175574 21788918808 29959763361 39946351148 59919526722 79892702296 119839053444 239678106888