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142155341204441 = 618926184443029
BaseRepresentation
bin100000010100101000011110…
…100111011000101111011001
3200122022220210010222012111112
4200110220132213120233121
5122113033114322020231
61222201132345110105
741641245606165035
oct4024503647305731
9618286703865445
10142155341204441
1141327818145124
1213b3a7a8188335
136142263c79706
1427164d8a4b1c5
151167bbee4c92b
hex814a1e9d8bd9

142155341204441 has 8 divisors (see below), whose sum is σ = 146109192107400. Its totient is φ = 138253859187840.

The previous prime is 142155341204431. The next prime is 142155341204449. The reversal of 142155341204441 is 144402143551241.

It can be written as a sum of positive squares in 4 ways, for example, as 15231683922841 + 126923657281600 = 3902779^2 + 11266040^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 142155341204441 - 234 = 142138161335257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142155341204449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13092216086 + ... + 13092226943.

It is an arithmetic number, because the mean of its divisors is an integer number (18263649013425).

Almost surely, 2142155341204441 is an apocalyptic number.

It is an amenable number.

142155341204441 is a deficient number, since it is larger than the sum of its proper divisors (3953850902959).

142155341204441 is an equidigital number, since it uses as much as digits as its factorization.

142155341204441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26184443179.

The product of its (nonzero) digits is 307200, while the sum is 41.

Adding to 142155341204441 its reverse (144402143551241), we get a palindrome (286557484755682).

The spelling of 142155341204441 in words is "one hundred forty-two trillion, one hundred fifty-five billion, three hundred forty-one million, two hundred four thousand, four hundred forty-one".

Divisors: 1 61 89 5429 26184443029 1597251024769 2330415429581 142155341204441