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122431101142 = 2723380220811
BaseRepresentation
bin111001000000101110…
…1100101100011010110
3102201000102201100022111
41302001131211203112
54001214330214032
6132124415221234
711562646121560
oct1620135454326
9381012640274
10122431101142
1147a1718a419
121b889b1781a
13b711a7225c
145cd6180330
1532b8621c47
hex1c817658d6

122431101142 has 16 divisors (see below), whose sum is σ = 219007187712. Its totient is φ = 50189146920.

The previous prime is 122431101139. The next prime is 122431101217. The reversal of 122431101142 is 241101134221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190110084 + ... + 190110727.

It is an arithmetic number, because the mean of its divisors is an integer number (13687949232).

Almost surely, 2122431101142 is an apocalyptic number.

122431101142 is a deficient number, since it is larger than the sum of its proper divisors (96576086570).

122431101142 is a wasteful number, since it uses less digits than its factorization.

122431101142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380220843.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 122431101142 its reverse (241101134221), we get a palindrome (363532235363).

The spelling of 122431101142 in words is "one hundred twenty-two billion, four hundred thirty-one million, one hundred one thousand, one hundred forty-two".

Divisors: 1 2 7 14 23 46 161 322 380220811 760441622 2661545677 5323091354 8745078653 17490157306 61215550571 122431101142