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44142142215 = 3529412475029
BaseRepresentation
bin101001000111000100…
…111010001100000111
311012221100020011102010
4221013010322030013
51210400342022330
632140103145303
73121612006113
oct510704721407
9135840204363
1044142142215
11177a20a7876
12867b145233
1342162813a2
1421ca762743
1512354883b0
hexa4713a307

44142142215 has 32 divisors (see below), whose sum is σ = 74844907200. Its totient is φ = 22176250880.

The previous prime is 44142142199. The next prime is 44142142229. The reversal of 44142142215 is 51224124144.

It is not a de Polignac number, because 44142142215 - 24 = 44142142199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1219680 + ... + 1255349.

It is an arithmetic number, because the mean of its divisors is an integer number (2338903350).

Almost surely, 244142142215 is an apocalyptic number.

44142142215 is a deficient number, since it is larger than the sum of its proper divisors (30702764985).

44142142215 is a wasteful number, since it uses less digits than its factorization.

44142142215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475107.

The product of its digits is 10240, while the sum is 30.

Adding to 44142142215 its reverse (51224124144), we get a palindrome (95366266359).

It can be divided in two parts, 441421 and 42215, that added together give a triangular number (483636 = T983).

The spelling of 44142142215 in words is "forty-four billion, one hundred forty-two million, one hundred forty-two thousand, two hundred fifteen".

Divisors: 1 3 5 15 29 41 87 123 145 205 435 615 1189 3567 5945 17835 2475029 7425087 12375145 37125435 71775841 101476189 215327523 304428567 358879205 507380945 1076637615 1522142835 2942809481 8828428443 14714047405 44142142215