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57423760390 = 2519928856161
BaseRepresentation
bin110101011110101110…
…010000110000000110
312111012221221021101101
4311132232100300012
51420100440313030
642214034250314
74102004624023
oct653656206006
9174187837341
1057423760390
1122398241117
12b16712699a
135551ab6159
142aca67854a
1517614b77ca
hexd5eb90c06

57423760390 has 16 divisors (see below), whose sum is σ = 103882183200. Its totient is φ = 22854078720.

The previous prime is 57423760379. The next prime is 57423760393. The reversal of 57423760390 is 9306732475.

It is a self number, because there is not a number n which added to its sum of digits gives 57423760390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57423760393) 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, 14426091 + ... + 14430070.

It is an arithmetic number, because the mean of its divisors is an integer number (6492636450).

Almost surely, 257423760390 is an apocalyptic number.

57423760390 is a deficient number, since it is larger than the sum of its proper divisors (46458422810).

57423760390 is a wasteful number, since it uses less digits than its factorization.

57423760390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28856367.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 57423760390 in words is "fifty-seven billion, four hundred twenty-three million, seven hundred sixty thousand, three hundred ninety".

Divisors: 1 2 5 10 199 398 995 1990 28856161 57712322 144280805 288561610 5742376039 11484752078 28711880195 57423760390