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93887873349081 = 378595204716079
BaseRepresentation
bin10101010110001111111001…
…010101101111010111011001
3110022102121000022200221101120
4111112033321111233113121
544301224331034132311
6531403254340235453
725530114011624130
oct2526177125572731
9408377008627346
1093887873349081
1127a08694943379
12a64412299bb89
134050785b29936
1419282a9616917
15acc38bbb0706
hex5563f956f5d9

93887873349081 has 16 divisors (see below), whose sum is σ = 143233786521600. Its totient is φ = 53587756739088.

The previous prime is 93887873349077. The next prime is 93887873349089. The reversal of 93887873349081 is 18094337878839.

It is not a de Polignac number, because 93887873349081 - 22 = 93887873349077 is a prime.

It is a super-2 number, since 2×938878733490812 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 93887873348988 and 93887873349006.

It is not an unprimeable number, because it can be changed into a prime (93887873349089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2602340001 + ... + 2602376078.

It is an arithmetic number, because the mean of its divisors is an integer number (8952111657600).

Almost surely, 293887873349081 is an apocalyptic number.

It is an amenable number.

93887873349081 is a deficient number, since it is larger than the sum of its proper divisors (49345913172519).

93887873349081 is a wasteful number, since it uses less digits than its factorization.

93887873349081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204716948.

The product of its (nonzero) digits is 1755758592, while the sum is 78.

The spelling of 93887873349081 in words is "ninety-three trillion, eight hundred eighty-seven billion, eight hundred seventy-three million, three hundred forty-nine thousand, eighty-one".

Divisors: 1 3 7 21 859 2577 6013 18039 5204716079 15614148237 36433012553 109299037659 4470851111861 13412553335583 31295957783027 93887873349081