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120108834 = 23212135501
BaseRepresentation
bin1110010100010…
…11011100100010
322101000011100100
413022023130202
5221221440314
615530203230
72655623346
oct712133442
9271004310
10120108834
11618865aa
1234283516
131bb64621
1411d47626
15a827c09
hex728b722

120108834 has 24 divisors (see below), whose sum is σ = 260497692. Its totient is φ = 39996000.

The previous prime is 120108827. The next prime is 120108841. The reversal of 120108834 is 438801021.

It is an interprime number because it is at equal distance from previous prime (120108827) and next prime (120108841).

It can be written as a sum of positive squares in 2 ways, for example, as 119968209 + 140625 = 10953^2 + 375^2 .

It is a super-2 number, since 2×1201088342 = 28852264009679112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120108798 and 120108807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19084 + ... + 24584.

Almost surely, 2120108834 is an apocalyptic number.

120108834 is an abundant number, since it is smaller than the sum of its proper divisors (140388858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120108834 is a wasteful number, since it uses less digits than its factorization.

120108834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722 (or 6719 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 120108834 is about 10959.4175940147. The cubic root of 120108834 is about 493.3914852114.

Adding to 120108834 its reverse (438801021), we get a palindrome (558909855).

The spelling of 120108834 in words is "one hundred twenty million, one hundred eight thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 18 1213 2426 3639 5501 7278 10917 11002 16503 21834 33006 49509 99018 6672713 13345426 20018139 40036278 60054417 120108834