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1301312310 = 235137316621
BaseRepresentation
bin100110110010000…
…0111001100110110
310100200122111220020
41031210013030312
510131113443220
6333043350010
744150654304
oct11544071466
93320574806
101301312310
11608614221
12303982306
131797a73ac
14c4b83274
157939e040
hex4d907336

1301312310 has 32 divisors (see below), whose sum is σ = 3145956192. Its totient is φ = 344482560.

The previous prime is 1301312281. The next prime is 1301312321. The reversal of 1301312310 is 132131031.

It is a super-2 number, since 2×13013123102 = 3386827456315072200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1301312310.

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, 154201 + ... + 162420.

It is an arithmetic number, because the mean of its divisors is an integer number (98311131).

Almost surely, 21301312310 is an apocalyptic number.

1301312310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301312310 is an abundant number, since it is smaller than the sum of its proper divisors (1844643882).

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

1301312310 is a wasteful number, since it uses less digits than its factorization.

1301312310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316768.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1301312310 is about 36073.7066296215. The cubic root of 1301312310 is about 1091.7600020684.

Adding to 1301312310 its reverse (132131031), we get a palindrome (1433443341).

The spelling of 1301312310 in words is "one billion, three hundred one million, three hundred twelve thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 137 274 411 685 822 1370 2055 4110 316621 633242 949863 1583105 1899726 3166210 4749315 9498630 43377077 86754154 130131231 216885385 260262462 433770770 650656155 1301312310