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57354081802 = 228677040901
BaseRepresentation
bin110101011010100100…
…011101011000001010
312111001002211020022221
4311122210131120022
51414430121104202
642203105004254
74100200436323
oct653244353012
9174032736287
1057354081802
112236197a606
12b14792368a
13554052aa14
142ac12db44a
15175a302037
hexd5a91d60a

57354081802 has 4 divisors (see below), whose sum is σ = 86031122706. Its totient is φ = 28677040900.

The previous prime is 57354081797. The next prime is 57354081809. The reversal of 57354081802 is 20818045375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51915166801 + 5438915001 = 227849^2 + 73749^2 .

It is not an unprimeable number, because it can be changed into a prime (57354081809) 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 as a sum of consecutive naturals, namely, 14338520449 + ... + 14338520452.

Almost surely, 257354081802 is an apocalyptic number.

57354081802 is a deficient number, since it is larger than the sum of its proper divisors (28677040904).

57354081802 is a wasteful number, since it uses less digits than its factorization.

57354081802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28677040903.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 57354081802 in words is "fifty-seven billion, three hundred fifty-four million, eighty-one thousand, eight hundred two".

Divisors: 1 2 28677040901 57354081802