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1301330320 = 24518238923
BaseRepresentation
bin100110110010000…
…1011100110010000
310100200200102121021
41031210023212100
510131120032240
6333044005224
744151060643
oct11544134620
93320612537
101301330320
11608626804
12303990814
131797b2654
14c4b89a5a
15793a454a
hex4d90b990

1301330320 has 40 divisors (see below), whose sum is σ = 3027591936. Its totient is φ = 520188288.

The previous prime is 1301330309. The next prime is 1301330377. The reversal of 1301330320 is 230331031.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1301330294 and 1301330303.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 141379 + ... + 150301.

Almost surely, 21301330320 is an apocalyptic number.

1301330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301330320 is an abundant number, since it is smaller than the sum of its proper divisors (1726261616).

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

1301330320 is a wasteful number, since it uses less digits than its factorization.

1301330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10759 (or 10753 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1301330320 is about 36073.9562565572. The cubic root of 1301330320 is about 1091.7650386526.

Adding to 1301330320 its reverse (230331031), we get a palindrome (1531661351).

The spelling of 1301330320 in words is "one billion, three hundred one million, three hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1823 3646 7292 8923 9115 14584 17846 18230 29168 35692 36460 44615 71384 72920 89230 142768 145840 178460 356920 713840 16266629 32533258 65066516 81333145 130133032 162666290 260266064 325332580 650665160 1301330320