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57202323103 = 487202757947
BaseRepresentation
bin110101010001100001…
…100010111010011111
312110122112021002112101
4311101201202322133
51414122243314403
642140044145531
74063345503202
oct652141427237
9173575232471
1057202323103
1122294246aa2
12b104b382a7
135517c64483
142aa90b5939
15174bd2671d
hexd51862e9f

57202323103 has 8 divisors (see below), whose sum is σ = 57349049472. Its totient is φ = 57055717656.

The previous prime is 57202323089. The next prime is 57202323131. The reversal of 57202323103 is 30132320275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57202323103 is a prime.

It is a super-3 number, since 3×572023231033 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57202323203) 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 7 ways as a sum of consecutive naturals, for example, 958176 + ... + 1016122.

It is an arithmetic number, because the mean of its divisors is an integer number (7168631184).

Almost surely, 257202323103 is an apocalyptic number.

57202323103 is a deficient number, since it is larger than the sum of its proper divisors (146726369).

57202323103 is a wasteful number, since it uses less digits than its factorization.

57202323103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60461.

The product of its (nonzero) digits is 7560, while the sum is 28.

Adding to 57202323103 its reverse (30132320275), we get a palindrome (87334643378).

The spelling of 57202323103 in words is "fifty-seven billion, two hundred two million, three hundred twenty-three thousand, one hundred three".

Divisors: 1 487 2027 57947 987149 28220189 117458569 57202323103