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30450444012210 = 23515712699239383
BaseRepresentation
bin1101110110001110010111…
…11001100000101010110010
310222211000220210120110100110
412323013023321200222302
512442400002131342320
6144432424005402150
76261654250333215
oct673071371405262
9128730823513313
1030450444012210
11977aa62892442
1234b9600109356
1313cb6067cb711
14773b48c1d77c
1537c1450215e0
hex1bb1cbe60ab2

30450444012210 has 64 divisors (see below), whose sum is σ = 73154984371200. Its totient is φ = 8111909108160.

The previous prime is 30450444012203. The next prime is 30450444012217. The reversal of 30450444012210 is 1221044405403.

It is an interprime number because it is at equal distance from previous prime (30450444012203) and next prime (30450444012217).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (30450444012217) 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, 127084179 + ... + 127323561.

It is an arithmetic number, because the mean of its divisors is an integer number (1143046630800).

Almost surely, 230450444012210 is an apocalyptic number.

30450444012210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30450444012210 is an abundant number, since it is smaller than the sum of its proper divisors (42704540358990).

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

30450444012210 is a wasteful number, since it uses less digits than its factorization.

30450444012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243663.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 30450444012210 its reverse (1221044405403), we get a palindrome (31671488417613).

The spelling of 30450444012210 in words is "thirty trillion, four hundred fifty billion, four hundred forty-four million, twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1571 2699 3142 4713 5398 7855 8097 9426 13495 15710 16194 23565 26990 40485 47130 80970 239383 478766 718149 1196915 1436298 2393830 3590745 4240129 7181490 8480258 12720387 21200645 25440774 42401290 63601935 127203870 376070693 646094717 752141386 1128212079 1292189434 1880353465 1938284151 2256424158 3230473585 3760706930 3876568302 5641060395 6460947170 9691420755 11282120790 19382841510 1015014800407 2030029600814 3045044401221 5075074002035 6090088802442 10150148004070 15225222006105 30450444012210