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70743583397985 = 35171117248366891
BaseRepresentation
bin10000000101011101000110…
…001010001001100001100001
3100021111000112221222011221220
4100011131012022021201201
533233030324322213420
6410243053100205253
720621024642154561
oct2005350612114141
9307430487864856
1070743583397985
11205a52046017a3
127b266b6b39829
133062125742724
141368017204da1
1582a309e67840
hex405746289861

70743583397985 has 32 divisors (see below), whose sum is σ = 119955248030592. Its totient is φ = 35478713502720.

The previous prime is 70743583397953. The next prime is 70743583397987. The reversal of 70743583397985 is 58979338534707.

It is not a de Polignac number, because 70743583397985 - 25 = 70743583397953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70743583397985.

It is not an unprimeable number, because it can be changed into a prime (70743583397987) 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 31 ways as a sum of consecutive naturals, for example, 123898611 + ... + 124468280.

It is an arithmetic number, because the mean of its divisors is an integer number (3748601500956).

Almost surely, 270743583397985 is an apocalyptic number.

It is an amenable number.

70743583397985 is a deficient number, since it is larger than the sum of its proper divisors (49211664632607).

70743583397985 is a wasteful number, since it uses less digits than its factorization.

70743583397985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248368033.

The product of its (nonzero) digits is 4800902400, while the sum is 78.

The spelling of 70743583397985 in words is "seventy trillion, seven hundred forty-three billion, five hundred eighty-three million, three hundred ninety-seven thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 17 51 85 255 1117 3351 5585 16755 18989 56967 94945 284835 248366891 745100673 1241834455 3725503365 4222237147 12666711441 21111185735 63333557205 277425817247 832277451741 1387129086235 4161387258705 4716238893199 14148716679597 23581194465995 70743583397985