Search a number
-
+
206439071272 = 2373786197367
BaseRepresentation
bin1100000001000010111…
…0100011111000101000
3201201212002112101201121
43000100232203320220
511340241400240042
6234500425425024
720625516103360
oct3002056437050
9651762471647
10206439071272
117a606523805
123401403b174
131660c359415
149dc53459a0
1555838dc367
hex3010ba3e28

206439071272 has 32 divisors (see below), whose sum is σ = 442385665920. Its totient is φ = 88470642240.

The previous prime is 206439071261. The next prime is 206439071287. The reversal of 206439071272 is 272170934602.

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, 2071533 + ... + 2168899.

It is an arithmetic number, because the mean of its divisors is an integer number (13824552060).

Almost surely, 2206439071272 is an apocalyptic number.

It is an amenable number.

206439071272 is an abundant number, since it is smaller than the sum of its proper divisors (235946594648).

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

206439071272 is a wasteful number, since it uses less digits than its factorization.

206439071272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135241 (or 135237 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 206439071272 in words is "two hundred six billion, four hundred thirty-nine million, seventy-one thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 37861 75722 97367 151444 194734 265027 302888 389468 530054 681569 778936 1060108 1363138 2120216 2726276 5452552 3686411987 7372823974 14745647948 25804883909 29491295896 51609767818 103219535636 206439071272