Search a number
-
+
103213030312 = 2372274181047
BaseRepresentation
bin110000000011111111…
…0011101101110101000
3100212102002112012020101
41200013332131232220
53142340013432222
6115225421235144
710312500165550
oct1400776355650
9325362465211
10103213030312
113a855079357
1218005a02ab4
13996b391202
144dd1a7c160
152a4135d927
hex1807f9dba8

103213030312 has 32 divisors (see below), whose sum is σ = 221183233920. Its totient is φ = 44231664960.

The previous prime is 103213030289. The next prime is 103213030343. The reversal of 103213030312 is 213030312301.

It is a self number, because there is not a number n which added to its sum of digits gives 103213030312.

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, 1232973 + ... + 1314019.

It is an arithmetic number, because the mean of its divisors is an integer number (6911976060).

Almost surely, 2103213030312 is an apocalyptic number.

It is an amenable number.

103213030312 is an abundant number, since it is smaller than the sum of its proper divisors (117970203608).

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

103213030312 is a wasteful number, since it uses less digits than its factorization.

103213030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103801 (or 103797 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 103213030312 its reverse (213030312301), we get a palindrome (316243342613).

The spelling of 103213030312 in words is "one hundred three billion, two hundred thirteen million, thirty thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 22741 45482 81047 90964 159187 162094 181928 318374 324188 567329 636748 648376 1134658 1273496 2269316 4538632 1843089827 3686179654 7372359308 12901628789 14744718616 25803257578 51606515156 103213030312