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70700077672 = 2372180357341
BaseRepresentation
bin100000111011000001…
…1011001001001101000
320202111012200001220021
41001312003121021220
52124243204441142
652251300010224
75052004513300
oct1016603311150
9222435601807
1070700077672
1127a90394864
1211851390974
1368894b31b3
1435c99b0600
151c8bceb267
hex10760d9268

70700077672 has 24 divisors (see below), whose sum is σ = 154205527410. Its totient is φ = 30300033120.

The previous prime is 70700077667. The next prime is 70700077673. The reversal of 70700077672 is 27677000707.

It can be written as a sum of positive squares in only one way, i.e., 69724514916 + 975562756 = 264054^2 + 31234^2 .

It is not an unprimeable number, because it can be changed into a prime (70700077673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90178279 + ... + 90179062.

Almost surely, 270700077672 is an apocalyptic number.

It is an amenable number.

70700077672 is an abundant number, since it is smaller than the sum of its proper divisors (83505449738).

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

70700077672 is a wasteful number, since it uses less digits than its factorization.

70700077672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180357361 (or 180357350 counting only the distinct ones).

The product of its (nonzero) digits is 201684, while the sum is 43.

The spelling of 70700077672 in words is "seventy billion, seven hundred million, seventy-seven thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 180357341 360714682 721429364 1262501387 1442858728 2525002774 5050005548 8837509709 10100011096 17675019418 35350038836 70700077672