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30021321331310 = 2561178927509939
BaseRepresentation
bin1101101001101111000100…
…01100011001001001101110
310221022000021111112121112112
412310313202030121021232
512413332131230100220
6143503334333204022
76215653220616041
oct664674214311156
9127260244477475
1030021321331310
119624a75267921
12344a3bb930612
131399cc97b021a
1475b07ad46c58
15370dcba4a5c5
hex1b4de231926e

30021321331310 has 32 divisors (see below), whose sum is σ = 54954956541600. Its totient is φ = 11805064594560.

The previous prime is 30021321331283. The next prime is 30021321331319. The reversal of 30021321331310 is 1313312312003.

It is a super-2 number, since 2×300213213313102 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021321331319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12663680 + ... + 14846259.

It is an arithmetic number, because the mean of its divisors is an integer number (1717342391925).

Almost surely, 230021321331310 is an apocalyptic number.

30021321331310 is a deficient number, since it is larger than the sum of its proper divisors (24933635210290).

30021321331310 is a wasteful number, since it uses less digits than its factorization.

30021321331310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27511796.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 30021321331310 its reverse (1313312312003), we get a palindrome (31334633643313).

The spelling of 30021321331310 in words is "thirty trillion, twenty-one billion, three hundred twenty-one million, three hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 61 122 305 610 1789 3578 8945 17890 109129 218258 545645 1091290 27509939 55019878 137549695 275099390 1678106279 3356212558 8390531395 16781062790 49215280871 98430561742 246076404355 492152808710 3002132133131 6004264266262 15010660665655 30021321331310