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7145505570 = 235734026217
BaseRepresentation
bin1101010011110011…
…11100001100100010
3200102222112021220110
412221321330030202
5104113222134240
63141012552150
7342033536520
oct65171741442
920388467813
107145505570
1130374a7105
121475022656
1389b4c0208
144badd5310
152bc4abc80
hex1a9e7c322

7145505570 has 32 divisors (see below), whose sum is σ = 19599101568. Its totient is φ = 1633258368.

The previous prime is 7145505481. The next prime is 7145505571. The reversal of 7145505570 is 755055417.

It is not an unprimeable number, because it can be changed into a prime (7145505571) 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 15 ways as a sum of consecutive naturals, for example, 17012899 + ... + 17013318.

It is an arithmetic number, because the mean of its divisors is an integer number (612471924).

Almost surely, 27145505570 is an apocalyptic number.

7145505570 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7145505570 is an abundant number, since it is smaller than the sum of its proper divisors (12453595998).

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

7145505570 is a wasteful number, since it uses less digits than its factorization.

7145505570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34026234.

The product of its (nonzero) digits is 122500, while the sum is 39.

The square root of 7145505570 is about 84531.0923270249. The cubic root of 7145505570 is about 1926.0947790735.

The spelling of 7145505570 in words is "seven billion, one hundred forty-five million, five hundred five thousand, five hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 34026217 68052434 102078651 170131085 204157302 238183519 340262170 476367038 510393255 714550557 1020786510 1190917595 1429101114 2381835190 3572752785 7145505570