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70396065792 = 2113813231
BaseRepresentation
bin100000110001111101…
…1101011100000000000
320201201000121200000000
41001203323223200000
52123132343101132
652201200000000
75041323454263
oct1014373534000
9221630550000
1070396065792
1127944820178
1211787600000
13683b50c300
14359b474cda
151c7029887c
hex1063eeb800

70396065792 has 648 divisors, whose sum is σ = 235990329120. Its totient is φ = 20961607680.

The previous prime is 70396065743. The next prime is 70396065797. The reversal of 70396065792 is 29756069307.

70396065792 is a `hidden beast` number, since 7 + 0 + 3 + 9 + 60 + 6 + 579 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (648).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70396065797) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2270840817 + ... + 2270840847.

Almost surely, 270396065792 is an apocalyptic number.

70396065792 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70396065792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117995164560).

70396065792 is an abundant number, since it is smaller than the sum of its proper divisors (165594263328).

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

70396065792 is an frugal number, since it uses more digits than its factorization.

70396065792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The spelling of 70396065792 in words is "seventy billion, three hundred ninety-six million, sixty-five thousand, seven hundred ninety-two".