Search a number
-
+
163123016212 = 221321032342779
BaseRepresentation
bin1001011111101011100…
…0111011001000010100
3120121001022201210212001
42113322320323020110
510133033443004322
6202534312205044
714533224521512
oct2277270731024
9517038653761
10163123016212
11631a87654a2
1227745699784
13124c8292c00
147c765bd4b2
15439ac30827
hex25fae3b214

163123016212 has 36 divisors (see below), whose sum is σ = 312114522720. Its totient is φ = 74556567072.

The previous prime is 163123016209. The next prime is 163123016261. The reversal of 163123016212 is 212610321361.

163123016212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1101762 + ... + 1241017.

Almost surely, 2163123016212 is an apocalyptic number.

It is an amenable number.

163123016212 is a deficient number, since it is larger than the sum of its proper divisors (148991506508).

163123016212 is a wasteful number, since it uses less digits than its factorization.

163123016212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342912 (or 2342897 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 163123016212 its reverse (212610321361), we get a palindrome (375733337573).

The spelling of 163123016212 in words is "one hundred sixty-three billion, one hundred twenty-three million, sixteen thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 103 169 206 338 412 676 1339 2678 5356 17407 34814 69628 2342779 4685558 9371116 30456127 60912254 121824508 241306237 395929651 482612474 791859302 965224948 1583718604 3136981081 6273962162 12547924324 40780754053 81561508106 163123016212