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1969860782396 = 2213191993786217
BaseRepresentation
bin11100101010100100110…
…110100010100100111100
320222022112222120221221102
4130222210312202210330
5224233233330014041
64104535212552232
7262213662245003
oct34524466424474
96868488527842
101969860782396
1169a46006a591
12279932482678
131139ac3a70c0
146b4adb65c3a
153639205409b
hex1caa4da293c

1969860782396 has 24 divisors (see below), whose sum is σ = 3907820987280. Its totient is φ = 861315645312.

The previous prime is 1969860782389. The next prime is 1969860782399. The reversal of 1969860782396 is 6932870689691.

It is a super-3 number, since 3×19698607823963 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969860782399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996892121 + ... + 996894096.

It is an arithmetic number, because the mean of its divisors is an integer number (162825874470).

Almost surely, 21969860782396 is an apocalyptic number.

It is an amenable number.

1969860782396 is a deficient number, since it is larger than the sum of its proper divisors (1937960204884).

1969860782396 is a wasteful number, since it uses less digits than its factorization.

1969860782396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993786253 (or 1993786251 counting only the distinct ones).

The product of its (nonzero) digits is 423263232, while the sum is 74.

The spelling of 1969860782396 in words is "one trillion, nine hundred sixty-nine billion, eight hundred sixty million, seven hundred eighty-two thousand, three hundred ninety-six".

Divisors: 1 2 4 13 19 26 38 52 76 247 494 988 1993786217 3987572434 7975144868 25919220821 37881938123 51838441642 75763876246 103676883284 151527752492 492465195599 984930391198 1969860782396