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1401210312 = 2331711632953
BaseRepresentation
bin101001110000100…
…1100010111001000
310121122121212012020
41103201030113020
510332202212222
6351012444440
746503043155
oct12341142710
93548555166
101401210312
11659a46057
12331319720
131943b3638
14d414922c
158303365c
hex5384c5c8

1401210312 has 64 divisors (see below), whose sum is σ = 3713532480. Its totient is φ = 439068672.

The previous prime is 1401210311. The next prime is 1401210337. The reversal of 1401210312 is 2130121041.

It is a junction number, because it is equal to n+sod(n) for n = 1401210291 and 1401210300.

It is not an unprimeable number, because it can be changed into a prime (1401210311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 473028 + ... + 475980.

It is an arithmetic number, because the mean of its divisors is an integer number (58023945).

Almost surely, 21401210312 is an apocalyptic number.

1401210312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401210312 is an abundant number, since it is smaller than the sum of its proper divisors (2312322168).

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

1401210312 is a wasteful number, since it uses less digits than its factorization.

1401210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1401210312 is about 37432.7438481338. The cubic root of 1401210312 is about 1119.0112212879.

Adding to 1401210312 its reverse (2130121041), we get a palindrome (3531331353).

The spelling of 1401210312 in words is "one billion, four hundred one million, two hundred ten thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 1163 2326 2953 3489 4652 5906 6978 8859 9304 11812 13956 17718 19771 23624 27912 35436 39542 50201 59313 70872 79084 100402 118626 150603 158168 200804 237252 301206 401608 474504 602412 1204824 3434339 6868678 10303017 13737356 20606034 27474712 41212068 58383763 82424136 116767526 175151289 233535052 350302578 467070104 700605156 1401210312