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70450590069 = 3217563817871
BaseRepresentation
bin100000110011100101…
…1101011000101110101
320201211211012210020200
41001213023223011311
52123240322340234
652210424351113
75042555064216
oct1014713530565
9221754183220
1070450590069
1127972581062
12117a1915499
1368498bcab2
1435a47c940d
151c74e68d99
hex10672eb175

70450590069 has 24 divisors (see below), whose sum is σ = 107939475072. Its totient is φ = 44125722240.

The previous prime is 70450590043. The next prime is 70450590073. The reversal of 70450590069 is 96009505407.

It is a happy number.

70450590069 is a `hidden beast` number, since 7 + 0 + 4 + 50 + 590 + 0 + 6 + 9 = 666.

It is not a de Polignac number, because 70450590069 - 212 = 70450585973 is a prime.

It is a super-2 number, since 2×704505900692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70450590079) 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 23 ways as a sum of consecutive naturals, for example, 322797 + ... + 495074.

It is an arithmetic number, because the mean of its divisors is an integer number (4497478128).

Almost surely, 270450590069 is an apocalyptic number.

It is an amenable number.

70450590069 is a deficient number, since it is larger than the sum of its proper divisors (37488885003).

70450590069 is a wasteful number, since it uses less digits than its factorization.

70450590069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818457 (or 818454 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 70450590069 in words is "seventy billion, four hundred fifty million, five hundred ninety thousand, sixty-nine".

Divisors: 1 3 9 17 51 153 563 1689 5067 9571 28713 86139 817871 2453613 7360839 13903807 41711421 125134263 460461373 1381384119 4144152357 7827843341 23483530023 70450590069