Search a number
-
+
102122110 = 25101101111
BaseRepresentation
bin1100001011001…
…00001001111110
321010011100012101
412011210021332
5202120401420
614044455314
72350011046
oct605441176
9233140171
10102122110
1152710942
122a24a53a
13182076ac
14d7c4726
158e7360a
hex616427e

102122110 has 16 divisors (see below), whose sum is σ = 185641632. Its totient is φ = 40444000.

The previous prime is 102122099. The next prime is 102122123. The reversal of 102122110 is 11221201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49546 + ... + 51565.

It is an arithmetic number, because the mean of its divisors is an integer number (11602602).

Almost surely, 2102122110 is an apocalyptic number.

102122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102122110 is a deficient number, since it is larger than the sum of its proper divisors (83519522).

102122110 is a wasteful number, since it uses less digits than its factorization.

102122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101219.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 102122110 is about 10105.5484759611. The cubic root of 102122110 is about 467.4192488283.

Adding to 102122110 its reverse (11221201), we get a palindrome (113343311).

Subtracting from 102122110 its reverse (11221201), we obtain a palindrome (90900909).

The spelling of 102122110 in words is "one hundred two million, one hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 101 202 505 1010 101111 202222 505555 1011110 10212211 20424422 51061055 102122110