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105330402242 = 213212721392
BaseRepresentation
bin110001000011000101…
…1100110001111000010
3101001212122201211110222
41202012023212033002
53211204040332432
6120215500023042
710416120434552
oct1420613461702
9331778654428
10105330402242
11407412a220a
12184b6b31a82
139c17c52200
145152d6b162
152b171a8112
hex18862e63c2

105330402242 has 54 divisors (see below), whose sum is σ = 173691234873. Its totient is φ = 47884256784.

The previous prime is 105330402227. The next prime is 105330402257. The reversal of 105330402242 is 242204033501.

It is an interprime number because it is at equal distance from previous prime (105330402227) and next prime (105330402257).

It can be written as a sum of positive squares in 2 ways, for example, as 90060610201 + 15269792041 = 300101^2 + 123571^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=229489.

It is a super-2 number, since 2×1053304022422 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 757772609 + ... + 757772747.

Almost surely, 2105330402242 is an apocalyptic number.

105330402242 is a deficient number, since it is larger than the sum of its proper divisors (68360832631).

105330402242 is an equidigital number, since it uses as much as digits as its factorization.

105330402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 105330402242 its reverse (242204033501), we get a palindrome (347534435743).

The spelling of 105330402242 in words is "one hundred five billion, three hundred thirty million, four hundred two thousand, two hundred forty-two".

Divisors: 1 2 13 26 127 139 169 254 278 338 1651 1807 3302 3614 16129 17653 19321 21463 23491 32258 35306 38642 42926 46982 209677 229489 251173 419354 458978 502346 2241931 2453767 2725801 2983357 3265249 4483862 4907534 5451602 5966714 6530498 29145103 31898971 58290206 63797942 311628409 378886339 414686623 623256818 757772678 829373246 4051169317 8102338634 52665201121 105330402242