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6897133852 = 22717139104243
BaseRepresentation
bin1100110110001100…
…11110100100011100
3122210200011200221221
412123012132210130
5103111131240402
63100221303124
7332626445650
oct63306364434
918720150857
106897133852
112a1a285824
121405a04aa4
1385bbca9bb
14496020a60
152a579a337
hex19b19e91c

6897133852 has 48 divisors (see below), whose sum is σ = 14710913280. Its totient is φ = 2761996032.

The previous prime is 6897133849. The next prime is 6897133897. The reversal of 6897133852 is 2583317986.

It is a self number, because there is not a number n which added to its sum of digits gives 6897133852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14043 + ... + 118285.

It is an arithmetic number, because the mean of its divisors is an integer number (306477360).

Almost surely, 26897133852 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 6897133852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7355456640).

6897133852 is an abundant number, since it is smaller than the sum of its proper divisors (7813779428).

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

6897133852 is a wasteful number, since it uses less digits than its factorization.

6897133852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104410 (or 104408 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 6897133852 is about 83048.9846536368. The cubic root of 6897133852 is about 1903.5146259272.

The spelling of 6897133852 in words is "six billion, eight hundred ninety-seven million, one hundred thirty-three thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 14 17 28 34 68 119 139 238 278 476 556 973 1946 2363 3892 4726 9452 16541 33082 66164 104243 208486 416972 729701 1459402 1772131 2918804 3544262 7088524 12404917 14489777 24809834 28979554 49619668 57959108 101428439 202856878 246326209 405713756 492652418 985304836 1724283463 3448566926 6897133852