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30211124021 = 1319122312243
BaseRepresentation
bin11100001000101110…
…010010101100110101
32212222110120010002022
4130020232102230311
5443333021432041
621513453122525
72116442213531
oct341056225465
985873503068
1030211124021
11118a34346a1
125a31789445
132b06045760
1416684c4bc1
15bbc42e24b
hex708b92b35

30211124021 has 8 divisors (see below), whose sum is σ = 34247428320. Its totient is φ = 26419444272.

The previous prime is 30211124011. The next prime is 30211124051. The reversal of 30211124021 is 12042111203.

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

It is not a de Polignac number, because 30211124021 - 222 = 30206929717 is a prime.

It is a super-2 number, since 2×302111240212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211124011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61155875 + ... + 61156368.

It is an arithmetic number, because the mean of its divisors is an integer number (4280928540).

Almost surely, 230211124021 is an apocalyptic number.

It is an amenable number.

30211124021 is a deficient number, since it is larger than the sum of its proper divisors (4036304299).

30211124021 is a wasteful number, since it uses less digits than its factorization.

30211124021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122312275.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 30211124021 its reverse (12042111203), we get a palindrome (42253235224).

The spelling of 30211124021 in words is "thirty billion, two hundred eleven million, one hundred twenty-four thousand, twenty-one".

Divisors: 1 13 19 247 122312243 1590059159 2323932617 30211124021