Search a number
-
+
102102222122222 = 274125381858461
BaseRepresentation
bin10111001101110010000110…
…101011100010110011101110
3111101111212200102010020010112
4113031302012223202303232
5101340320322330402342
61001053040250340022
730335433150303260
oct2715620653426356
9441455612106115
10102102222122222
112a595344652403
12b55011772a612
1344c827669576a
141b2dab98bbb30
15bc0da6b23682
hex5cdc86ae2cee

102102222122222 has 48 divisors (see below), whose sum is σ = 182790600513696. Its totient is φ = 41885336812800.

The previous prime is 102102222122171. The next prime is 102102222122227. The reversal of 102102222122222 is 222221222201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102222122227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39681929 + ... + 42176532.

It is an arithmetic number, because the mean of its divisors is an integer number (3808137510702).

Almost surely, 2102102222122222 is an apocalyptic number.

102102222122222 is a deficient number, since it is larger than the sum of its proper divisors (80688378391474).

102102222122222 is an equidigital number, since it uses as much as digits as its factorization.

102102222122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81858605 (or 81858564 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 102102222122222 its reverse (222221222201201), we get a palindrome (324323444323423).

The spelling of 102102222122222 in words is "one hundred two trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 7 14 41 53 82 106 287 371 574 742 1681 2173 3362 4346 11767 15211 23534 30422 89093 178186 623651 1247302 81858461 163716922 573009227 1146018454 3356196901 4338498433 6712393802 8676996866 23493378307 30369489031 46986756614 60738978062 137604072941 177878435753 275208145882 355756871506 963228510587 1245149050271 1926457021174 2490298100542 7293015865873 14586031731746 51051111061111 102102222122222