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1301001300 = 2232521445557
BaseRepresentation
bin100110110001011…
…1011010001010100
310100200001201021100
41031202323101110
510131024020200
6333032550100
744145220464
oct11542732124
93320051240
101301001300
11608421595
12303852330
131796c8971
14c4b01ba4
157933bd00
hex4d8bb454

1301001300 has 54 divisors (see below), whose sum is σ = 4077919118. Its totient is φ = 346933440.

The previous prime is 1301001293. The next prime is 1301001319. The reversal of 1301001300 is 31001031.

It can be written as a sum of positive squares in 3 ways, for example, as 4137156 + 1296864144 = 2034^2 + 36012^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 721879 + ... + 723678.

Almost surely, 21301001300 is an apocalyptic number.

1301001300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301001300 is an abundant number, since it is smaller than the sum of its proper divisors (2776917818).

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

1301001300 is a wasteful number, since it uses less digits than its factorization.

1301001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445577 (or 1445567 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1301001300 is about 36069.3956145650. The cubic root of 1301001300 is about 1091.6730192769.

Adding to 1301001300 its reverse (31001031), we get a palindrome (1332002331).

The spelling of 1301001300 in words is "one billion, three hundred one million, one thousand, three hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 1445557 2891114 4336671 5782228 7227785 8673342 13010013 14455570 17346684 21683355 26020026 28911140 36138925 43366710 52040052 65050065 72277850 86733420 108416775 130100130 144555700 216833550 260200260 325250325 433667100 650500650 1301001300