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57348081399 = 377965352937
BaseRepresentation
bin110101011010001101…
…100100011011110111
312111000200112101022210
4311122031210123313
51414422102101044
642202332224503
74100065435410
oct653215443367
9174020471283
1057348081399
11223595513a4
12b14590b133
13553c20979b
142ac05b8807
151759a191b9
hexd5a3646f7

57348081399 has 32 divisors (see below), whose sum is σ = 88630917120. Its totient is φ = 32305358592.

The previous prime is 57348081391. The next prime is 57348081403. The reversal of 57348081399 is 99318084375.

It is not a de Polignac number, because 57348081399 - 23 = 57348081391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57348081391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1056859 + ... + 1109795.

It is an arithmetic number, because the mean of its divisors is an integer number (2769716160).

Almost surely, 257348081399 is an apocalyptic number.

57348081399 is a deficient number, since it is larger than the sum of its proper divisors (31282835721).

57348081399 is a wasteful number, since it uses less digits than its factorization.

57348081399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53679.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 57348081399 in words is "fifty-seven billion, three hundred forty-eight million, eighty-one thousand, three hundred ninety-nine".

Divisors: 1 3 7 21 79 237 553 653 1659 1959 4571 13713 51587 52937 154761 158811 361109 370559 1083327 1111677 4182023 12546069 29274161 34567861 87822483 103703583 241975027 725925081 2730861019 8192583057 19116027133 57348081399