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3989618753852 = 223974861516839
BaseRepresentation
bin111010000011100111110…
…011110000000100111100
3112010101220101112202102002
4322003213303300010330
51010331214400110402
612252445555521432
7561145320605264
oct72034763600474
915111811482362
103989618753852
1112a8a958607a6
1254526b2b9278
1322c2b1134b34
14db1546d87a4
156dba48e0602
hex3a0e7cf013c

3989618753852 has 24 divisors (see below), whose sum is σ = 7000872758880. Its totient is φ = 1989371482560.

The previous prime is 3989618753851. The next prime is 3989618753863. The reversal of 3989618753852 is 2583578169893.

3989618753852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3989618753852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989618753851) 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, 7460849 + ... + 7977687.

It is an arithmetic number, because the mean of its divisors is an integer number (291703031620).

Almost surely, 23989618753852 is an apocalyptic number.

It is an amenable number.

3989618753852 is a deficient number, since it is larger than the sum of its proper divisors (3011254005028).

3989618753852 is a wasteful number, since it uses less digits than its factorization.

3989618753852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522101 (or 522099 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 74.

The spelling of 3989618753852 in words is "three trillion, nine hundred eighty-nine billion, six hundred eighteen million, seven hundred fifty-three thousand, eight hundred fifty-two".

Divisors: 1 2 4 397 794 1588 4861 9722 19444 516839 1033678 1929817 2067356 3859634 7719268 205185083 410370166 820740332 2512354379 5024708758 10049417516 997404688463 1994809376926 3989618753852