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139389645491712 = 2933721131603457
BaseRepresentation
bin11111101100011000101110…
…010011100000111000000000
3200021112112001001112222001000
4133230120232103200320000
5121232224443221213322
61212242415155412000
741234366233414200
oct3754305623407000
9607475031488030
10139389645491712
11404608a8aaa390
12137727922b4000
135ca15057c1815
14265c6cdba2400
15111aca05d63ac
hex7ec62e4e0e00

139389645491712 has 960 divisors, whose sum is σ = 540491357767680. Its totient is φ = 35037138124800.

The previous prime is 139389645491711. The next prime is 139389645491713. The reversal of 139389645491712 is 217194546983931.

139389645491712 is a `hidden beast` number, since 1 + 3 + 9 + 3 + 8 + 9 + 6 + 4 + 549 + 1 + 71 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (139389645491711) and next prime (139389645491713).

It is a super-4 number, since 4×1393896454917124 (a number of 58 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139389645491711) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 230683488 + ... + 231286944.

It is an arithmetic number, because the mean of its divisors is an integer number (563011831008).

Almost surely, 2139389645491712 is an apocalyptic number.

139389645491712 is a gapful number since it is divisible by the number (12) 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 139389645491712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270245678883840).

139389645491712 is an abundant number, since it is smaller than the sum of its proper divisors (401101712275968).

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

139389645491712 is a wasteful number, since it uses less digits than its factorization.

139389645491712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603540 (or 603511 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 72.

The spelling of 139389645491712 in words is "one hundred thirty-nine trillion, three hundred eighty-nine billion, six hundred forty-five million, four hundred ninety-one thousand, seven hundred twelve".