Search a number
-
+
102210102122 = 251105051061
BaseRepresentation
bin101111100110000110…
…0100110001101101010
3100202211012100011101212
41133030030212031222
53133311241231442
6114542113113122
710245601350632
oct1371414461552
9322735304355
10102210102122
113a38aa35587
1217985b587a2
13983b66a28b
144d387ab6c2
1529d329ea82
hex17cc32636a

102210102122 has 4 divisors (see below), whose sum is σ = 153315153186. Its totient is φ = 51105051060.

The previous prime is 102210102107. The next prime is 102210102151. The reversal of 102210102122 is 221201012201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83890750321 + 18319351801 = 289639^2 + 135349^2 .

It is a super-3 number, since 3×1022101021223 (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102210102097 and 102210102106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552525529 + ... + 25552525532.

Almost surely, 2102210102122 is an apocalyptic number.

102210102122 is a deficient number, since it is larger than the sum of its proper divisors (51105051064).

102210102122 is an equidigital number, since it uses as much as digits as its factorization.

102210102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51105051063.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102210102122 its reverse (221201012201), we get a palindrome (323411114323).

The spelling of 102210102122 in words is "one hundred two billion, two hundred ten million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 51105051061 102210102122