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30200202030 = 2354725185333
BaseRepresentation
bin11100001000000100…
…101000001100101110
32212221201000012221010
4130020010220030232
5443322222431110
621512423050050
72116250324145
oct341004501456
985851005833
1030200202030
1111898254859
125a29ba0926
132b039c033b
141666c8075c
15bbb4c3020
hex70812832e

30200202030 has 64 divisors (see below), whose sum is σ = 74318404608. Its totient is φ = 7850544000.

The previous prime is 30200201987. The next prime is 30200202037. The reversal of 30200202030 is 3020200203.

It is a super-2 number, since 2×302002020302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30200201997 and 30200202015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200202037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311244 + ... + 396576.

It is an arithmetic number, because the mean of its divisors is an integer number (1161225072).

Almost surely, 230200202030 is an apocalyptic number.

30200202030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30200202030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37159202304).

30200202030 is an abundant number, since it is smaller than the sum of its proper divisors (44118202578).

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

30200202030 is a wasteful number, since it uses less digits than its factorization.

30200202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85641.

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 30200202030 its reverse (3020200203), we get a palindrome (33220402233).

The spelling of 30200202030 in words is "thirty billion, two hundred million, two hundred two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 251 282 470 502 705 753 1255 1410 1506 2510 3765 7530 11797 23594 35391 58985 70782 85333 117970 170666 176955 255999 353910 426665 511998 853330 1279995 2559990 4010651 8021302 12031953 20053255 21418583 24063906 40106510 42837166 60159765 64255749 107092915 120319530 128511498 214185830 321278745 642557490 1006673401 2013346802 3020020203 5033367005 6040040406 10066734010 15100101015 30200202030