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6940100000 = 255569401
BaseRepresentation
bin1100111011010100…
…11000010110100000
3122220200000121102202
412131222120112200
5103203131200000
63104354232332
7333660606461
oct63552302640
918820017382
106940100000
112a41561939
1214182856a8
13867a92662
1449ba06d68
152a9435dd5
hex19da985a0

6940100000 has 72 divisors (see below), whose sum is σ = 17078305356. Its totient is φ = 2776000000.

The previous prime is 6940099979. The next prime is 6940100033. The reversal of 6940100000 is 10496.

It can be written as a sum of positive squares in 6 ways, for example, as 495863824 + 6444236176 = 22268^2 + 80276^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65300 + ... + 134700.

Almost surely, 26940100000 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 6940100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8539152678).

6940100000 is an abundant number, since it is smaller than the sum of its proper divisors (10138205356).

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

6940100000 is an frugal number, since it uses more digits than its factorization.

6940100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69436 (or 69408 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 6940100000 is about 83307.2625885643. The cubic root of 6940100000 is about 1907.4591361335.

Adding to 6940100000 its reverse (10496), we get a palindrome (6940110496).

The spelling of 6940100000 in words is "six billion, nine hundred forty million, one hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 69401 100000 138802 277604 347005 555208 694010 1110416 1388020 1735025 2220832 2776040 3470050 5552080 6940100 8675125 11104160 13880200 17350250 27760400 34700500 43375625 55520800 69401000 86751250 138802000 173502500 216878125 277604000 347005000 433756250 694010000 867512500 1388020000 1735025000 3470050000 6940100000