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30211311104 = 29137163929
BaseRepresentation
bin11100001000101111…
…000000011000000000
32212222110220121201022
4130020233000120000
5443333043423404
621513501125012
72116443623132
oct341057003000
985873817638
1030211311104
11118a3552207
125a31859768
132b060ac960
141668533052
15bbc4698be
hex708bc0600

30211311104 has 80 divisors (see below), whose sum is σ = 65923593120. Its totient is φ = 13747077120.

The previous prime is 30211311079. The next prime is 30211311131. The reversal of 30211311104 is 40111311203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440612 + ... + 504540.

It is an arithmetic number, because the mean of its divisors is an integer number (824044914).

Almost surely, 230211311104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30211311104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32961796560).

30211311104 is an abundant number, since it is smaller than the sum of its proper divisors (35712282016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30211311104 is an equidigital number, since it uses as much as digits as its factorization.

30211311104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64031 (or 64015 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30211311104 its reverse (40111311203), we get a palindrome (70322622307).

Subtracting 30211311104 from its reverse (40111311203), we obtain a palindrome (9900000099).

The spelling of 30211311104 in words is "thirty billion, two hundred eleven million, three hundred eleven thousand, one hundred four".

Divisors: 1 2 4 8 13 16 26 32 52 64 71 104 128 142 208 256 284 416 512 568 832 923 1136 1664 1846 2272 3328 3692 4544 6656 7384 9088 14768 18176 29536 36352 59072 63929 118144 127858 236288 255716 472576 511432 831077 1022864 1662154 2045728 3324308 4091456 4538959 6648616 8182912 9077918 13297232 16365824 18155836 26594464 32731648 36311672 53188928 59006467 72623344 106377856 118012934 145246688 212755712 236025868 290493376 425511424 472051736 580986752 944103472 1161973504 1888206944 2323947008 3776413888 7552827776 15105655552 30211311104