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1303500023 = 7659282571
BaseRepresentation
bin100110110110001…
…1101010011110111
310100211202122212122
41031230131103313
510132144000043
6333202310155
744205365420
oct11554352367
93324678778
101303500023
11609878951
1230465835b
1317a0920b7
14c5192647
1579682368
hex4db1d4f7

1303500023 has 8 divisors (see below), whose sum is σ = 1491980160. Its totient is φ = 1115586360.

The previous prime is 1303499987. The next prime is 1303500043. The reversal of 1303500023 is 3200053031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1303500023 - 28 = 1303499767 is a prime.

It is a super-2 number, since 2×13035000232 = 3398224619922001058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303499974 and 1303500010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303500043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136673 + ... + 145898.

It is an arithmetic number, because the mean of its divisors is an integer number (186497520).

Almost surely, 21303500023 is an apocalyptic number.

1303500023 is a deficient number, since it is larger than the sum of its proper divisors (188480137).

1303500023 is an equidigital number, since it uses as much as digits as its factorization.

1303500023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283237.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 1303500023 is about 36104.0167155955. The cubic root of 1303500023 is about 1092.3714669516.

Adding to 1303500023 its reverse (3200053031), we get a palindrome (4503553054).

The spelling of 1303500023 in words is "one billion, three hundred three million, five hundred thousand, twenty-three".

Divisors: 1 7 659 4613 282571 1977997 186214289 1303500023