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70440433770 = 2357335430637
BaseRepresentation
bin100000110011010010…
…0111011100001101010
320201211010002210102110
41001212210323201222
52123230222340040
652205422543150
75042402544060
oct1014644734152
9221733083373
1070440433770
1127967874523
121179a437ab6
136847775055
1435a3304030
151c7410e980
hex106693b86a

70440433770 has 32 divisors (see below), whose sum is σ = 193208047488. Its totient is φ = 16100670528.

The previous prime is 70440433741. The next prime is 70440433781. The reversal of 70440433770 is 7733404407.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 167715109 + ... + 167715528.

It is an arithmetic number, because the mean of its divisors is an integer number (6037751484).

Almost surely, 270440433770 is an apocalyptic number.

70440433770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70440433770 is an abundant number, since it is smaller than the sum of its proper divisors (122767613718).

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

70440433770 is a wasteful number, since it uses less digits than its factorization.

70440433770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335430654.

The product of its (nonzero) digits is 197568, while the sum is 39.

It can be divided in two parts, 704404337 and 70, that added together give a palindrome (704404407).

The spelling of 70440433770 in words is "seventy billion, four hundred forty million, four hundred thirty-three thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 335430637 670861274 1006291911 1677153185 2012583822 2348014459 3354306370 4696028918 5031459555 7044043377 10062919110 11740072295 14088086754 23480144590 35220216885 70440433770