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30312444034043 = 171783084943179
BaseRepresentation
bin1101110010001101010100…
…11101010111101111111011
310222022211201100021012202222
412321012222131113233323
512433114341133042133
6144245202231114255
76246000423016313
oct671065235275773
9128284640235688
1030312444034043
119727487460306
12349690821298b
1313bb5b33c09c2
1476b1b7094443
15378769bb8e98
hex1b91aa757bfb

30312444034043 has 4 divisors (see below), whose sum is σ = 32095528977240. Its totient is φ = 28529359090848.

The previous prime is 30312444033979. The next prime is 30312444034091. The reversal of 30312444034043 is 34043044421303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30312444034043 - 26 = 30312444033979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30312444033994 and 30312444034012.

It is not an unprimeable number, because it can be changed into a prime (30312444004043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891542471573 + ... + 891542471606.

It is an arithmetic number, because the mean of its divisors is an integer number (8023882244310).

Almost surely, 230312444034043 is an apocalyptic number.

30312444034043 is a deficient number, since it is larger than the sum of its proper divisors (1783084943197).

30312444034043 is a wasteful number, since it uses less digits than its factorization.

30312444034043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783084943196.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 30312444034043 its reverse (34043044421303), we get a palindrome (64355488455346).

The spelling of 30312444034043 in words is "thirty trillion, three hundred twelve billion, four hundred forty-four million, thirty-four thousand, forty-three".

Divisors: 1 17 1783084943179 30312444034043