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1305320525201 = 71116952214613
BaseRepresentation
bin10010111111101011001…
…010101000110110010001
311121210021000212010201002
4102333223022220312101
5132341244023301301
62435353404551345
7163210026252560
oct22775312506621
94553230763632
101305320525201
11463646452560
12190b91252555
139612548c2c4
144726c043bd7
1523e4b09216b
hex12feb2a8d91

1305320525201 has 8 divisors (see below), whose sum is σ = 1627412602944. Its totient is φ = 1017132876720.

The previous prime is 1305320525191. The next prime is 1305320525203. The reversal of 1305320525201 is 1025250235031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1305320525201 is a prime.

It is a super-2 number, since 2×13053205252012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1305320525203) 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, 8476107230 + ... + 8476107383.

It is an arithmetic number, because the mean of its divisors is an integer number (203426575368).

Almost surely, 21305320525201 is an apocalyptic number.

1305320525201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1305320525201 is a deficient number, since it is larger than the sum of its proper divisors (322092077743).

1305320525201 is a wasteful number, since it uses less digits than its factorization.

1305320525201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16952214631.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 1305320525201 in words is "one trillion, three hundred five billion, three hundred twenty million, five hundred twenty-five thousand, two hundred one".

Divisors: 1 7 11 77 16952214613 118665502291 186474360743 1305320525201