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30212301123 = 32293715719927
BaseRepresentation
bin11100001000110010…
…110010000101000011
32212222112202220202200
4130020302302011003
5443333322113443
621513534244243
72116455215364
oct341062620503
985875686680
1030212301123
11118a4069004
125a32056683
132b06368474
14166870db6b
15bbc5b2dd3
hex708cb2143

30212301123 has 48 divisors (see below), whose sum is σ = 46662607680. Its totient is φ = 18799941888.

The previous prime is 30212301121. The next prime is 30212301137. The reversal of 30212301123 is 32110321203.

30212301123 is a `hidden beast` number, since 30 + 212 + 301 + 123 = 666.

It is not a de Polignac number, because 30212301123 - 21 = 30212301121 is a prime.

It is a super-2 number, since 2×302123011232 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30212301096 and 30212301105.

It is not an unprimeable number, because it can be changed into a prime (30212301121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1506186 + ... + 1526112.

It is an arithmetic number, because the mean of its divisors is an integer number (972137660).

Almost surely, 230212301123 is an apocalyptic number.

30212301123 is a deficient number, since it is larger than the sum of its proper divisors (16450306557).

30212301123 is a wasteful number, since it uses less digits than its factorization.

30212301123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20156 (or 20153 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30212301123 its reverse (32110321203), we get a palindrome (62322622326).

The spelling of 30212301123 in words is "thirty billion, two hundred twelve million, three hundred one thousand, one hundred twenty-three".

Divisors: 1 3 9 29 37 87 111 157 261 333 471 1073 1413 3219 4553 5809 9657 13659 17427 19927 40977 52281 59781 168461 179343 505383 577883 737299 1516149 1733649 2211897 3128539 5200947 6635691 9385617 21381671 28156851 64145013 90727631 115755943 192435039 272182893 347267829 816548679 1041803487 3356922347 10070767041 30212301123