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44434142131 = 1491031289249
BaseRepresentation
bin101001011000011110…
…110011001110110011
311020200200200021222211
4221120132303032303
51212000120022011
632225053512551
73132055655611
oct513036631663
9136620607884
1044434142131
1117931a07715
128740aa2757
13426190a9c2
1422174526b1
151250e16b21
hexa587b33b3

44434142131 has 8 divisors (see below), whose sum is σ = 44775900000. Its totient is φ = 44092965120.

The previous prime is 44434142119. The next prime is 44434142143. The reversal of 44434142131 is 13124143444.

It is an interprime number because it is at equal distance from previous prime (44434142119) and next prime (44434142143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44434142131 is a prime.

It is a super-2 number, since 2×444341421312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44434142093 and 44434142102.

It is not an unprimeable number, because it can be changed into a prime (44434142111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8995 + ... + 298243.

It is an arithmetic number, because the mean of its divisors is an integer number (5596987500).

Almost surely, 244434142131 is an apocalyptic number.

44434142131 is a deficient number, since it is larger than the sum of its proper divisors (341757869).

44434142131 is a wasteful number, since it uses less digits than its factorization.

44434142131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290429.

The product of its digits is 18432, while the sum is 31.

Adding to 44434142131 its reverse (13124143444), we get a palindrome (57558285575).

The spelling of 44434142131 in words is "forty-four billion, four hundred thirty-four million, one hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 149 1031 153619 289249 43098101 298215719 44434142131