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1320034030021 = 7751251100253
BaseRepresentation
bin10011001101011000001…
…010001101000111000101
311200012020102220121220001
4103031120022031013011
5133111412202430041
62450225410241301
7164240450060230
oct23153012150705
94605212817801
101320034030021
114699068844a3
121939b8886231
139762b858485
1447c661ac417
152450cb64131
hex1335828d1c5

1320034030021 has 8 divisors (see below), whose sum is σ = 1510619128064. Its totient is φ = 1129951134000.

The previous prime is 1320034029967. The next prime is 1320034030037. The reversal of 1320034030021 is 1200304300231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320034030021 - 225 = 1320000475589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320034030061) 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, 125544870 + ... + 125555383.

It is an arithmetic number, because the mean of its divisors is an integer number (188827391008).

Almost surely, 21320034030021 is an apocalyptic number.

It is an amenable number.

1320034030021 is a deficient number, since it is larger than the sum of its proper divisors (190585098043).

1320034030021 is an equidigital number, since it uses as much as digits as its factorization.

1320034030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251101011.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1320034030021 its reverse (1200304300231), we get a palindrome (2520338330252).

The spelling of 1320034030021 in words is "one trillion, three hundred twenty billion, thirty-four million, thirty thousand, twenty-one".

Divisors: 1 7 751 5257 251100253 1757701771 188576290003 1320034030021