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1970448386769 = 32334365491687
BaseRepresentation
bin11100101011000111111…
…000000100101011010001
320222101001221021100121100
4130223013320010223101
5224240434241334034
64105113403215013
7262234355636202
oct34530770045321
96871057240540
101970448386769
1169a731821435
12279a77217469
13113a740528b5
146b527c035a9
15363c8924099
hex1cac7e04ad1

1970448386769 has 12 divisors (see below), whose sum is σ = 2847054660736. Its totient is φ = 1313239287672.

The previous prime is 1970448386723. The next prime is 1970448386771. The reversal of 1970448386769 is 9676838440791.

1970448386769 is a `hidden beast` number, since 1 + 9 + 7 + 0 + 4 + 483 + 86 + 7 + 69 = 666.

It is not a de Polignac number, because 1970448386769 - 220 = 1970447338193 is a prime.

It is a super-2 number, since 2×19704483867692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1970448386697 and 1970448386706.

It is not an unprimeable number, because it can be changed into a prime (1970448386069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32715757 + ... + 32775930.

Almost surely, 21970448386769 is an apocalyptic number.

It is an amenable number.

1970448386769 is a deficient number, since it is larger than the sum of its proper divisors (876606273967).

1970448386769 is a wasteful number, since it uses less digits than its factorization.

1970448386769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65495036 (or 65495033 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 72.

The spelling of 1970448386769 in words is "one trillion, nine hundred seventy billion, four hundred forty-eight million, three hundred eighty-six thousand, seven hundred sixty-nine".

Divisors: 1 3 9 3343 10029 30087 65491687 196475061 589425183 218938709641 656816128923 1970448386769