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1021121343230 = 25173636192791
BaseRepresentation
bin11101101101111111001…
…00110010111011111110
310121121200200221211110112
432312333210302323332
5113212224030440410
62101032514110022
7133526224131122
oct16667744627376
93547620854415
101021121343230
1136406741775a
12145a9757b312
13753a3087a81
14375cb625582
151b865b82105
hexedbf932efe

1021121343230 has 32 divisors (see below), whose sum is σ = 1848953348928. Its totient is φ = 406019347200.

The previous prime is 1021121343181. The next prime is 1021121343241. The reversal of 1021121343230 is 323431211201.

It is a super-3 number, since 3×10211213432303 (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021121343196 and 1021121343205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10958135 + ... + 11050925.

It is an arithmetic number, because the mean of its divisors is an integer number (57779792154).

Almost surely, 21021121343230 is an apocalyptic number.

1021121343230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021121343230 is a deficient number, since it is larger than the sum of its proper divisors (827832005698).

1021121343230 is a wasteful number, since it uses less digits than its factorization.

1021121343230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99332.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1021121343230 its reverse (323431211201), we get a palindrome (1344552554431).

The spelling of 1021121343230 in words is "one trillion, twenty-one billion, one hundred twenty-one million, three hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 173 346 865 1730 6361 12722 31805 63610 92791 185582 463955 927910 1100453 2200906 5502265 11004530 16052843 32105686 80264215 160528430 590243551 1180487102 2951217755 5902435510 102112134323 204224268646 510560671615 1021121343230