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133030303021 = 7111727666273
BaseRepresentation
bin111101111100100111…
…0010101010100101101
3110201101002222120220001
41323321032111110231
54134421224144041
6141040245024301
712416420630020
oct1737116252455
9421332876801
10133030303021
11514661576a0
12219476b5091
13c710938c45
14661db1d1b7
1536d8de1131
hex1ef939552d

133030303021 has 8 divisors (see below), whose sum is σ = 165855962304. Its totient is φ = 103659976320.

The previous prime is 133030303019. The next prime is 133030303033. The reversal of 133030303021 is 120303030331.

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 133030303021 - 21 = 133030303019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133030303021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133030303051) 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, 863833060 + ... + 863833213.

It is an arithmetic number, because the mean of its divisors is an integer number (20731995288).

Almost surely, 2133030303021 is an apocalyptic number.

133030303021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133030303021 is a deficient number, since it is larger than the sum of its proper divisors (32825659283).

133030303021 is a wasteful number, since it uses less digits than its factorization.

133030303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727666291.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 133030303021 its reverse (120303030331), we get a palindrome (253333333352).

The spelling of 133030303021 in words is "one hundred thirty-three billion, thirty million, three hundred three thousand, twenty-one".

Divisors: 1 7 11 77 1727666273 12093663911 19004329003 133030303021