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70745209359 = 3119901216523
BaseRepresentation
bin100000111100010111…
…1100011101000001111
320202121100120222221020
41001320233203220033
52124341233144414
652255551205223
75053063233456
oct1017057435017
9222540528836
1070745209359
112800390a980
1211864516813
136895955736
1435d199bb9d
151c90c637a9
hex1078be3a0f

70745209359 has 16 divisors (see below), whose sum is σ = 102912991104. Its totient is φ = 42871356000.

The previous prime is 70745209319. The next prime is 70745209369. The reversal of 70745209359 is 95390254707.

It is not a de Polignac number, because 70745209359 - 27 = 70745209231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70745209309) 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, 218472 + ... + 434994.

It is an arithmetic number, because the mean of its divisors is an integer number (6432061944).

Almost surely, 270745209359 is an apocalyptic number.

70745209359 is a deficient number, since it is larger than the sum of its proper divisors (32167781745).

70745209359 is a wasteful number, since it uses less digits than its factorization.

70745209359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226438.

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 70745209359 in words is "seventy billion, seven hundred forty-five million, two hundred nine thousand, three hundred fifty-nine".

Divisors: 1 3 11 33 9901 29703 108911 216523 326733 649569 2381753 7145259 2143794223 6431382669 23581736453 70745209359