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57144499648894 = 2721125577565423
BaseRepresentation
bin11001111111000111111011…
…00110100011100101111110
321111022221221102200222011001
430333203331212203211332
524442223413402231034
6321311453135520514
715015360654426460
oct1477437546434576
9244287842628131
1057144499648894
1117231934330369
1264aaba138913a
1325b691abc3318
141017b468c6130
156916d60eea14
hex33f8fd9a397e

57144499648894 has 32 divisors (see below), whose sum is σ = 98464780164096. Its totient is φ = 24364895476320.

The previous prime is 57144499648877. The next prime is 57144499649009. The reversal of 57144499648894 is 49884699444175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3770667 + ... + 11336089.

It is an arithmetic number, because the mean of its divisors is an integer number (3077024380128).

Almost surely, 257144499648894 is an apocalyptic number.

57144499648894 is a deficient number, since it is larger than the sum of its proper divisors (41320280515202).

57144499648894 is a wasteful number, since it uses less digits than its factorization.

57144499648894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568200.

The product of its digits is 10032906240, while the sum is 82.

The spelling of 57144499648894 in words is "fifty-seven trillion, one hundred forty-four billion, four hundred ninety-nine million, six hundred forty-eight thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 211 422 1477 2557 2954 5114 17899 35798 539527 1079054 3776689 7553378 7565423 15130846 52957961 105915922 1596304253 3192608506 11174129771 19344786611 22348259542 38689573222 135413506277 270827012554 4081749974921 8163499949842 28572249824447 57144499648894