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7081129383439 = 1929106112112549
BaseRepresentation
bin110011100001011010000…
…1100111001011000001111
3221001221122002012200012111
41213002310030321120033
51412004123110232224
623021005333444451
71330410662434666
oct147026414713017
927057562180174
107081129383439
1122900a9a28971
12964453aa0727
133c499472b567
141a6a2ad9bddd
15c42e2e09d94
hex670b433960f

7081129383439 has 16 divisors (see below), whose sum is σ = 7718116860000. Its totient is φ = 6471007643520.

The previous prime is 7081129383389. The next prime is 7081129383491. The reversal of 7081129383439 is 9343839211807.

It is a cyclic number.

It is not a de Polignac number, because 7081129383439 - 29 = 7081129382927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7081129383239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5471664 + ... + 6640885.

It is an arithmetic number, because the mean of its divisors is an integer number (482382303750).

Almost surely, 27081129383439 is an apocalyptic number.

7081129383439 is a deficient number, since it is larger than the sum of its proper divisors (636987476561).

7081129383439 is a wasteful number, since it uses less digits than its factorization.

7081129383439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12113658.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 7081129383439 in words is "seven trillion, eighty-one billion, one hundred twenty-nine million, three hundred eighty-three thousand, four hundred thirty-nine".

Divisors: 1 19 29 551 1061 20159 30769 584611 12112549 230138431 351263921 6674014499 12851414489 244176875291 372691020181 7081129383439