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21003011001301 = 78401735712179
BaseRepresentation
bin1001100011010001001010…
…00000101000101111010101
32202100212102221121122102111
410301220211000220233111
510223103131304020201
6112400352224511021
74265263122613240
oct461504500505725
982325387548374
1021003011001301
11676836618785a
122432635a7b471
13b94763316344
145287a0532257
1526650ab15b51
hex131a25028bd5

21003011001301 has 8 divisors (see below), whose sum is σ = 24003727513920. Its totient is φ = 18002366081088.

The previous prime is 21003011001281. The next prime is 21003011001361. The reversal of 21003011001301 is 10310011030012.

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 21003011001301 - 227 = 21002876783573 is a prime.

It is a super-2 number, since 2×210030110013012 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21003011001361) 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, 17267971 + ... + 18444208.

It is an arithmetic number, because the mean of its divisors is an integer number (3000465939240).

Almost surely, 221003011001301 is an apocalyptic number.

It is an amenable number.

21003011001301 is a deficient number, since it is larger than the sum of its proper divisors (3000716512619).

21003011001301 is an equidigital number, since it uses as much as digits as its factorization.

21003011001301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35796203.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21003011001301 its reverse (10310011030012), we get a palindrome (31313022031313).

The spelling of 21003011001301 in words is "twenty-one trillion, three billion, eleven million, one thousand, three hundred one".

Divisors: 1 7 84017 588119 35712179 249985253 3000430143043 21003011001301