Search a number
-
+
6859851728392 = 23134313191162969
BaseRepresentation
bin110001111010010111100…
…0001101000011000001000
3220021210110212021010020001
41203310233001220120020
51344342434020302032
622331212233412344
71305415343420155
oct143645701503010
926253425233201
106859851728392
112205279512593
1292959a56a0b4
133a9b5c121370
1419a03904d22c
15bd6919903e7
hex63d2f068608

6859851728392 has 64 divisors (see below), whose sum is σ = 14184512496000. Its totient is φ = 3090108317184.

The previous prime is 6859851728329. The next prime is 6859851728399. The reversal of 6859851728392 is 2938271589586.

It is not an unprimeable number, because it can be changed into a prime (6859851728399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5317084 + ... + 6480052.

It is an arithmetic number, because the mean of its divisors is an integer number (221633007750).

Almost surely, 26859851728392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6859851728392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7092256248000).

6859851728392 is an abundant number, since it is smaller than the sum of its proper divisors (7324660767608).

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

6859851728392 is a wasteful number, since it uses less digits than its factorization.

6859851728392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164350 (or 1164346 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 73.

The spelling of 6859851728392 in words is "six trillion, eight hundred fifty-nine billion, eight hundred fifty-one million, seven hundred twenty-eight thousand, three hundred ninety-two".

Divisors: 1 2 4 8 13 26 43 52 86 104 172 344 559 1118 1319 2236 2638 4472 5276 10552 17147 34294 56717 68588 113434 137176 226868 453736 737321 1162969 1474642 2325938 2949284 4651876 5898568 9303752 15118597 30237194 50007667 60474388 100015334 120948776 200030668 400061336 650099671 1300199342 1533956111 2600398684 3067912222 5200797368 6135824444 12271648888 19941429443 39882858886 65960112773 79765717772 131920225546 159531435544 263840451092 527680902184 857481466049 1714962932098 3429925864196 6859851728392