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1300311020 = 225118754773
BaseRepresentation
bin100110110000001…
…0010101111101100
310100121202122101102
41031200102233230
510130334423040
6333010102232
744136314141
oct11540225754
93317678342
101300311020
11607a9aa08
1230357a978
13179516708
14c49a23c8
1579252515
hex4d812bec

1300311020 has 24 divisors (see below), whose sum is σ = 2733003504. Its totient is φ = 519676736.

The previous prime is 1300310989. The next prime is 1300311029. The reversal of 1300311020 is 201130031.

It is a junction number, because it is equal to n+sod(n) for n = 1300310992 and 1300311010.

It is not an unprimeable number, because it can be changed into a prime (1300311029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3647 + ... + 51126.

It is an arithmetic number, because the mean of its divisors is an integer number (113875146).

Almost surely, 21300311020 is an apocalyptic number.

1300311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300311020 is an abundant number, since it is smaller than the sum of its proper divisors (1432692484).

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

1300311020 is a wasteful number, since it uses less digits than its factorization.

1300311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55969 (or 55967 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1300311020 is about 36059.8255680751. The cubic root of 1300311020 is about 1091.4799133041.

Adding to 1300311020 its reverse (201130031), we get a palindrome (1501441051).

The spelling of 1300311020 in words is "one billion, three hundred million, three hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 1187 2374 4748 5935 11870 23740 54773 109546 219092 273865 547730 1095460 65015551 130031102 260062204 325077755 650155510 1300311020