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57273541693 = 318359337537
BaseRepresentation
bin110101010101110001…
…001110010000111101
312110211111021101001221
4311111301032100331
51414244011313233
642151110433341
74065202033444
oct652561162075
9173744241057
1057273541693
112232046a635
12b124962851
13552993b854
142ab4733d5b
1517531e342d
hexd55c4e43d

57273541693 has 16 divisors (see below), whose sum is σ = 59935873536. Its totient is φ = 54664427520.

The previous prime is 57273541687. The next prime is 57273541711. The reversal of 57273541693 is 39614537275.

It is a cyclic number.

It is not a de Polignac number, because 57273541693 - 213 = 57273533501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57273541693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57273241693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1507021 + ... + 1544557.

It is an arithmetic number, because the mean of its divisors is an integer number (3745992096).

Almost surely, 257273541693 is an apocalyptic number.

It is an amenable number.

57273541693 is a deficient number, since it is larger than the sum of its proper divisors (2662331843).

57273541693 is a wasteful number, since it uses less digits than its factorization.

57273541693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38244.

The product of its digits is 4762800, while the sum is 52.

The spelling of 57273541693 in words is "fifty-seven billion, two hundred seventy-three million, five hundred forty-one thousand, six hundred ninety-three".

Divisors: 1 31 83 593 2573 18383 37537 49219 1163647 1525789 3115571 22259441 96582701 690042671 1847533603 57273541693