Search a number
-
+
102101101101212 = 22207891227826027
BaseRepresentation
bin10111001101110001000011…
…110111001100000010011100
3111101111202210021201110101212
4113031301003313030002130
5101340311023340214322
61001052333123123552
730335363315626403
oct2715610367140234
9441452707643355
10102101101101212
112a59491988a764
12b54ba642135b8
1344c8128364a15
141b2da10a6a63a
15bc0d3d4d90e2
hex5cdc43dcc09c

102101101101212 has 12 divisors (see below), whose sum is σ = 178685521854840. Its totient is φ = 51048094856976.

The previous prime is 102101101101193. The next prime is 102101101101281. The reversal of 102101101101212 is 212101101101201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613829858 + ... + 613996169.

It is an arithmetic number, because the mean of its divisors is an integer number (14890460154570).

Almost surely, 2102101101101212 is an apocalyptic number.

It is an amenable number.

102101101101212 is a deficient number, since it is larger than the sum of its proper divisors (76584420753628).

102101101101212 is a wasteful number, since it uses less digits than its factorization.

102101101101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227846820 (or 1227846818 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102101101101212 its reverse (212101101101201), we get a palindrome (314202202202413).

The spelling of 102101101101212 in words is "one hundred two trillion, one hundred one billion, one hundred one million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 20789 41578 83156 1227826027 2455652054 4911304108 25525275275303 51050550550606 102101101101212