Search a number
-
+
102102210103 = 1747615573761
BaseRepresentation
bin101111100010111000…
…1000001011000110111
3100202112200022200101011
41133011301001120313
53133101131210403
6114523300413051
710243121315635
oct1370561013067
9322480280334
10102102210103
113a335043723
12179559a7187
1398221c254a
144d28324355
1529c8a8ba6d
hex17c5c41637

102102210103 has 32 divisors (see below), whose sum is σ = 112449731328. Its totient is φ = 92319129600.

The previous prime is 102102210073. The next prime is 102102210107. The reversal of 102102210103 is 301012201201.

It is not a de Polignac number, because 102102210103 - 229 = 101565339191 is a prime.

It is a super-2 number, since 2×1021022101032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102210107) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 27145743 + ... + 27149503.

It is an arithmetic number, because the mean of its divisors is an integer number (3514054104).

Almost surely, 2102102210103 is an apocalyptic number.

102102210103 is a deficient number, since it is larger than the sum of its proper divisors (10347521225).

102102210103 is a wasteful number, since it uses less digits than its factorization.

102102210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102102210103 its reverse (301012201201), we get a palindrome (403114411304).

The spelling of 102102210103 in words is "one hundred two billion, one hundred two million, two hundred ten thousand, one hundred three".

Divisors: 1 17 47 61 557 799 1037 2867 3761 9469 26179 33977 48739 63937 176767 229421 445043 577609 1596919 2094877 3005039 3900157 10782787 27147623 35612909 98459219 127787497 183307379 1673806723 2172387449 6006012359 102102210103