Search a number
-
+
206106613000 = 2353375570449
BaseRepresentation
bin1011111111110011101…
…0010101010100001000
3201200222220221202201021
42333330322111110020
511334101243104000
6234403432002224
720614341206311
oct2777472252410
9650886852637
10206106613000
117a45589aa02
1233b40830374
1316588505752
149d93123608
15556461b11a
hex2ffce95508

206106613000 has 64 divisors (see below), whose sum is σ = 495324414000. Its totient is φ = 80214451200.

The previous prime is 206106612997. The next prime is 206106613019. The reversal of 206106613000 is 316601602.

It can be written as a sum of positive squares in 8 ways, for example, as 275626404 + 205830986596 = 16602^2 + 453686^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2748225 + ... + 2822224.

Almost surely, 2206106613000 is an apocalyptic number.

206106613000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206106613000 is an abundant number, since it is smaller than the sum of its proper divisors (289217801000).

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

206106613000 is a wasteful number, since it uses less digits than its factorization.

206106613000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570507 (or 5570493 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 206106613000 in words is "two hundred six billion, one hundred six million, six hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 37 40 50 74 100 125 148 185 200 250 296 370 500 740 925 1000 1480 1850 3700 4625 7400 9250 18500 37000 5570449 11140898 22281796 27852245 44563592 55704490 111408980 139261225 206106613 222817960 278522450 412213226 557044900 696306125 824426452 1030533065 1114089800 1392612250 1648852904 2061066130 2785224500 4122132260 5152665325 5570449000 8244264520 10305330650 20610661300 25763326625 41221322600 51526653250 103053306500 206106613000