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57773528940 = 22354720487067
BaseRepresentation
bin110101110011100100…
…100001011101101100
312112010100002100122010
4311303210201131230
51421310010411230
642312451121220
74113452615301
oct656344413554
9175110070563
1057773528940
1122557718436
12b2442a3210
1355a93babaa
142b20cc50a8
1517820579b0
hexd7392176c

57773528940 has 48 divisors (see below), whose sum is σ = 165207716352. Its totient is φ = 15078480576.

The previous prime is 57773528933. The next prime is 57773528941. The reversal of 57773528940 is 4982537775.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (57773528941) 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, 10240714 + ... + 10246353.

It is an arithmetic number, because the mean of its divisors is an integer number (3441827424).

Almost surely, 257773528940 is an apocalyptic number.

It is an amenable number.

57773528940 is an abundant number, since it is smaller than the sum of its proper divisors (107434187412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57773528940 is a wasteful number, since it uses less digits than its factorization.

57773528940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20487126 (or 20487124 counting only the distinct ones).

The product of its (nonzero) digits is 14817600, while the sum is 57.

The spelling of 57773528940 in words is "fifty-seven billion, seven hundred seventy-three million, five hundred twenty-eight thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 20487067 40974134 61461201 81948268 102435335 122922402 204870670 245844804 307306005 409741340 614612010 962892149 1229224020 1925784298 2888676447 3851568596 4814460745 5777352894 9628921490 11554705788 14443382235 19257842980 28886764470 57773528940