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6860642000 = 24533499829
BaseRepresentation
bin1100110001110110…
…10001011011010000
3122201010111201112212
412120323101123100
5103022311021000
63052435211252
7332004331502
oct63073213320
918633451485
106860642000
112a00720973
1213b5746b28
13854491ba4
14491241d72
152a248cc35
hex198ed16d0

6860642000 has 80 divisors (see below), whose sum is σ = 16638258000. Its totient is φ = 2736115200.

The previous prime is 6860641987. The next prime is 6860642059. The reversal of 6860642000 is 2460686.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 397125184 + 6463516816 = 19928^2 + 80396^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693086 + ... + 702914.

It is an arithmetic number, because the mean of its divisors is an integer number (207978225).

Almost surely, 26860642000 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 6860642000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8319129000).

6860642000 is an abundant number, since it is smaller than the sum of its proper divisors (9777616000).

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

6860642000 is a wasteful number, since it uses less digits than its factorization.

6860642000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201 (or 10185 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6860642000 is about 82828.9925086621. The cubic root of 6860642000 is about 1900.1516037848.

The spelling of 6860642000 in words is "six billion, eight hundred sixty million, six hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 349 400 500 698 1000 1396 1745 2000 2792 3490 5584 6980 8725 9829 13960 17450 19658 27920 34900 39316 43625 49145 69800 78632 87250 98290 139600 157264 174500 196580 245725 349000 393160 491450 698000 786320 982900 1228625 1965800 2457250 3430321 3931600 4914500 6860642 9829000 13721284 17151605 19658000 27442568 34303210 54885136 68606420 85758025 137212840 171516050 274425680 343032100 428790125 686064200 857580250 1372128400 1715160500 3430321000 6860642000