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49142153953 = 181275398621
BaseRepresentation
bin101101110001000110…
…011100001011100001
311200211210122002002001
4231301012130023201
51301120342411303
634324154524001
73356534262604
oct556106341341
9150753562061
1049142153953
1119928512682
129635736601
134832115409
14254282833b
1514293e331d
hexb7119c2e1

49142153953 has 8 divisors (see below), whose sum is σ = 49432107816. Its totient is φ = 48852403200.

The previous prime is 49142153897. The next prime is 49142153987. The reversal of 49142153953 is 35935124194.

It can be written as a sum of positive squares in 4 ways, for example, as 19826892864 + 29315261089 = 140808^2 + 171217^2 .

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-49142153953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49142154953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448983 + ... + 547603.

It is an arithmetic number, because the mean of its divisors is an integer number (6179013477).

Almost surely, 249142153953 is an apocalyptic number.

It is an amenable number.

49142153953 is a deficient number, since it is larger than the sum of its proper divisors (289953863).

49142153953 is a wasteful number, since it uses less digits than its factorization.

49142153953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101555.

The product of its digits is 583200, while the sum is 46.

The spelling of 49142153953 in words is "forty-nine billion, one hundred forty-two million, one hundred fifty-three thousand, nine hundred fifty-three".

Divisors: 1 181 2753 98621 498293 17850401 271503613 49142153953