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120641216 = 2679107223
BaseRepresentation
bin1110011000011…
…01011011000000
322102000012122012
413030031123000
5221341004331
615545432052
72663301443
oct714153300
9272005565
10120641216
116210a593
123449b628
131bcbca47
141204565a
15a8d082b
hex730d6c0

120641216 has 56 divisors (see below), whose sum is σ = 245790720. Its totient is φ = 58735872.

The previous prime is 120641207. The next prime is 120641221. The reversal of 120641216 is 612146021.

It is a super-3 number, since 3×1206412163 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120641191 and 120641200.

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, 540881 + ... + 541103.

It is an arithmetic number, because the mean of its divisors is an integer number (4389120).

Almost surely, 2120641216 is an apocalyptic number.

120641216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120641216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122895360).

120641216 is an abundant number, since it is smaller than the sum of its proper divisors (125149504).

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

120641216 is a wasteful number, since it uses less digits than its factorization.

120641216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 120641216 is about 10983.6795291924. The cubic root of 120641216 is about 494.1193961434.

Adding to 120641216 its reverse (612146021), we get a palindrome (732787237).

The spelling of 120641216 in words is "one hundred twenty million, six hundred forty-one thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 64 79 107 158 214 223 316 428 446 632 856 892 1264 1712 1784 2528 3424 3568 5056 6848 7136 8453 14272 16906 17617 23861 33812 35234 47722 67624 70468 95444 135248 140936 190888 270496 281872 381776 540992 563744 763552 1127488 1527104 1885019 3770038 7540076 15080152 30160304 60320608 120641216