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30211303332 = 22373131736599
BaseRepresentation
bin11100001000101110…
…111110011110100100
32212222110220020001110
4130020232332132210
5443333043201312
621513501025020
72116443561360
oct341056763644
985873806043
1030211303332
11118a3547391
125a31855170
132b060a9262
1416685302a0
15bbc46743c
hex708bbe7a4

30211303332 has 96 divisors (see below), whose sum is σ = 83426918400. Its totient is φ = 8326776960.

The previous prime is 30211303261. The next prime is 30211303357. The reversal of 30211303332 is 23330311203.

It is a super-2 number, since 2×302113033322 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30211303299 and 30211303308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 807169 + ... + 843767.

It is an arithmetic number, because the mean of its divisors is an integer number (869030400).

Almost surely, 230211303332 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 30211303332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41713459200).

30211303332 is an abundant number, since it is smaller than the sum of its proper divisors (53215615068).

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

30211303332 is a wasteful number, since it uses less digits than its factorization.

30211303332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36961 (or 36959 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30211303332 its reverse (23330311203), we get a palindrome (53541614535).

The spelling of 30211303332 in words is "thirty billion, two hundred eleven million, three hundred three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 62 84 93 124 186 217 317 372 434 634 651 868 951 1268 1302 1902 2219 2604 3804 4438 6657 8876 9827 13314 19654 26628 29481 36599 39308 58962 68789 73198 109797 117924 137578 146396 206367 219594 256193 275156 412734 439188 512386 768579 825468 1024772 1134569 1537158 2269138 3074316 3403707 4538276 6807414 7941983 11601883 13614828 15883966 23203766 23825949 31767932 34805649 46407532 47651898 69611298 81213181 95303796 139222596 162426362 243639543 324852724 359658373 487279086 719316746 974558172 1078975119 1438633492 2157950238 2517608611 4315900476 5035217222 7552825833 10070434444 15105651666 30211303332