Search a number
-
+
103312020212 = 22193081744111
BaseRepresentation
bin110000000110111100…
…0000101001011110100
3100212122222210101211222
41200031320011023310
53143040334121322
6115243315045512
710315111453052
oct1401570051364
9325588711758
10103312020212
113a8a5a3a995
1218032ba0898
139985a4000b
145000c891d2
152a49db3e42
hex180de052f4

103312020212 has 24 divisors (see below), whose sum is σ = 190322106240. Its totient is φ = 48934575360.

The previous prime is 103312020209. The next prime is 103312020283. The reversal of 103312020212 is 212020213301.

It is a congruent number.

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, 2320037 + ... + 2364147.

It is an arithmetic number, because the mean of its divisors is an integer number (7930087760).

Almost surely, 2103312020212 is an apocalyptic number.

It is an amenable number.

103312020212 is a deficient number, since it is larger than the sum of its proper divisors (87010086028).

103312020212 is a wasteful number, since it uses less digits than its factorization.

103312020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74951 (or 74949 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 103312020212 its reverse (212020213301), we get a palindrome (315332233513).

The spelling of 103312020212 in words is "one hundred three billion, three hundred twelve million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 30817 44111 61634 88222 123268 176444 585523 838109 1171046 1676218 2342092 3352436 1359368687 2718737374 5437474748 25828005053 51656010106 103312020212