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1230301310 = 257212232053
BaseRepresentation
bin100100101010100…
…1110100001111110
310011202000210010012
41021111032201332
510004424120220
6322025343222
742326250200
oct11125164176
93152023105
101230301310
11581522647
122a4037b12
13167b73654
14b957a770
1573023ac5
hex4954e87e

1230301310 has 48 divisors (see below), whose sum is σ = 2579462496. Its totient is φ = 421267392.

The previous prime is 1230301297. The next prime is 1230301313. The reversal of 1230301310 is 131030321.

It is a super-2 number, since 2×12303013102 = 3027282626775432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230301313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 598244 + ... + 600296.

It is an arithmetic number, because the mean of its divisors is an integer number (53738802).

Almost surely, 21230301310 is an apocalyptic number.

1230301310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230301310 is an abundant number, since it is smaller than the sum of its proper divisors (1349161186).

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

1230301310 is a wasteful number, since it uses less digits than its factorization.

1230301310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1230301310 is about 35075.6512412813. The cubic root of 1230301310 is about 1071.5287519702.

Adding to 1230301310 its reverse (131030321), we get a palindrome (1361331631).

The spelling of 1230301310 in words is "one billion, two hundred thirty million, three hundred one thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 1223 2053 2446 4106 6115 8561 10265 12230 14371 17122 20530 28742 42805 59927 71855 85610 100597 119854 143710 201194 299635 502985 599270 1005970 2510819 5021638 12554095 17575733 25108190 35151466 87878665 123030131 175757330 246060262 615150655 1230301310