Search a number
-
+
103211212208 = 24132233163819
BaseRepresentation
bin110000000011111011…
…1100001110110110000
3100212101222002211021012
41200013313201312300
53142334032242313
6115225314250052
710312445554136
oct1400767416660
9325358084235
10103211212208
113a854047395
1218005286928
13996aba5800
144dd1727756
152a410eeda8
hex1807de1db0

103211212208 has 60 divisors (see below), whose sum is σ = 217468101240. Its totient is φ = 47431208448.

The previous prime is 103211212129. The next prime is 103211212241. The reversal of 103211212208 is 802212112301.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 548123 + ... + 711941.

It is an arithmetic number, because the mean of its divisors is an integer number (3624468354).

Almost surely, 2103211212208 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 103211212208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108734050620).

103211212208 is an abundant number, since it is smaller than the sum of its proper divisors (114256889032).

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

103211212208 is a wasteful number, since it uses less digits than its factorization.

103211212208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164086 (or 164067 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 103211212208 its reverse (802212112301), we get a palindrome (905423324509).

The spelling of 103211212208 in words is "one hundred three billion, two hundred eleven million, two hundred twelve thousand, two hundred eight".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 233 338 466 676 932 1352 1864 2704 3029 3728 6058 12116 24232 39377 48464 78754 157508 163819 315016 327638 630032 655276 1310552 2129647 2621104 4259294 8518588 17037176 27685411 34074352 38169827 55370822 76339654 110741644 152679308 221483288 305358616 442966576 496207751 610717232 992415502 1984831004 3969662008 6450700763 7939324016 12901401526 25802803052 51605606104 103211212208