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57405686403 = 3133361943783
BaseRepresentation
bin110101011101101001…
…010100001010000011
312111011200221000112110
4311131221110022003
51420031323431103
642212151030403
74101365166132
oct653551241203
9174150830473
1057405686403
112238901693a
12b16106b403
13554b1285a0
142ac80d1919
15175eae7403
hexd5da54283

57405686403 has 16 divisors (see below), whose sum is σ = 82433012480. Its totient is φ = 35324718624.

The previous prime is 57405686341. The next prime is 57405686449. The reversal of 57405686403 is 30468650475.

It is not a de Polignac number, because 57405686403 - 220 = 57404637827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57405686473) 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 15 ways as a sum of consecutive naturals, for example, 1289250 + ... + 1333032.

It is an arithmetic number, because the mean of its divisors is an integer number (5152063280).

Almost surely, 257405686403 is an apocalyptic number.

57405686403 is a deficient number, since it is larger than the sum of its proper divisors (25027326077).

57405686403 is a wasteful number, since it uses less digits than its factorization.

57405686403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77418.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 57405686403 in words is "fifty-seven billion, four hundred five million, six hundred eighty-six thousand, four hundred three".

Divisors: 1 3 13 39 33619 43783 100857 131349 437047 569179 1311141 1707537 1471940677 4415822031 19135228801 57405686403