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30212111000 = 2353172277829
BaseRepresentation
bin11100001000110010…
…000011101010011000
32212222112102020222002
4130020302003222120
5443333300023000
621513530220132
72116453464161
oct341062035230
985875366862
1030212111000
11118a3a49185
125a31b84648
132b062cca76
1416686a0768
15bbc5768d5
hex708c83a98

30212111000 has 128 divisors (see below), whose sum is σ = 75194308800. Its totient is φ = 11322419200.

The previous prime is 30212110993. The next prime is 30212111003. The reversal of 30212111000 is 11121203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212111003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3855086 + ... + 3862914.

Almost surely, 230212111000 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 30212111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37597154400).

30212111000 is an abundant number, since it is smaller than the sum of its proper divisors (44982197800).

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

30212111000 is a wasteful number, since it uses less digits than its factorization.

30212111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8094 (or 8080 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 30212111000 its reverse (11121203), we get a palindrome (30223232203).

The spelling of 30212111000 in words is "thirty billion, two hundred twelve million, one hundred eleven thousand".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 125 136 170 200 227 250 340 425 454 500 680 850 908 1000 1135 1700 1816 2125 2270 3400 3859 4250 4540 5675 7718 7829 8500 9080 11350 15436 15658 17000 19295 22700 28375 30872 31316 38590 39145 45400 56750 62632 77180 78290 96475 113500 133093 154360 156580 192950 195725 227000 266186 313160 385900 391450 482375 532372 665465 771800 782900 964750 978625 1064744 1330930 1565800 1777183 1929500 1957250 2661860 3327325 3554366 3859000 3914500 5323720 6654650 7108732 7829000 8885915 13309300 14217464 16636625 17771830 26618600 30212111 33273250 35543660 44429575 60424222 66546500 71087320 88859150 120848444 133093000 151060555 177718300 222147875 241696888 302121110 355436600 444295750 604242220 755302775 888591500 1208484440 1510605550 1777183000 3021211100 3776513875 6042422200 7553027750 15106055500 30212111000