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30321302102 = 27131727773529
BaseRepresentation
bin11100001111010010…
…100101101001010110
32220021010212201222222
4130033102211221112
5444044223131402
621532430422342
72122250546450
oct341722455126
986233781888
1030321302102
111194a648063
125a626619b2
132b22b10ba0
141678da52d0
15bc6e447a2
hex70f4a5a56

30321302102 has 64 divisors (see below), whose sum is σ = 59308744320. Its totient is φ = 11282374656.

The previous prime is 30321302093. The next prime is 30321302107. The reversal of 30321302102 is 20120312303.

It is a super-2 number, since 2×303213021022 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321302107) 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, 8590274 + ... + 8593802.

It is an arithmetic number, because the mean of its divisors is an integer number (926699130).

Almost surely, 230321302102 is an apocalyptic number.

30321302102 is a deficient number, since it is larger than the sum of its proper divisors (28987442218).

30321302102 is a wasteful number, since it uses less digits than its factorization.

30321302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30321302102 its reverse (20120312303), we get a palindrome (50441614405).

The spelling of 30321302102 in words is "thirty billion, three hundred twenty-one million, three hundred two thousand, one hundred two".

Divisors: 1 2 7 13 14 17 26 34 91 119 182 221 238 442 1547 2777 3094 3529 5554 7058 19439 24703 36101 38878 45877 47209 49406 59993 72202 91754 94418 119986 252707 321139 330463 419951 505414 613717 642278 660926 779909 839902 1227434 1559818 4296019 5459363 8592038 9800033 10918726 19600066 68600231 127400429 137200462 166600561 254800858 333201122 891803003 1166203927 1783606006 2165807293 2332407854 4331614586 15160651051 30321302102