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8694975090 = 2354722732713
BaseRepresentation
bin10000001100100001…
…01100101001110010
3211102222010111111110
420012100230221302
5120301403200330
63554443254150
7425320032414
oct100620545162
924388114443
108694975090
1137620a552a
121827b1a356
13a87513299
145c6ad49b4
1535d528db0
hex20642ca72

8694975090 has 64 divisors (see below), whose sum is σ = 21329174016. Its totient is φ = 2267492352.

The previous prime is 8694975067. The next prime is 8694975097. The reversal of 8694975090 is 905794968.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8694975090.

It is not an unprimeable number, because it can be changed into a prime (8694975097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3203574 + ... + 3206286.

It is an arithmetic number, because the mean of its divisors is an integer number (333268344).

Almost surely, 28694975090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8694975090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10664587008).

8694975090 is an abundant number, since it is smaller than the sum of its proper divisors (12634198926).

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

8694975090 is a wasteful number, since it uses less digits than its factorization.

8694975090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 8694975090 is about 93246.8502953317. The cubic root of 8694975090 is about 2056.3140712414.

The spelling of 8694975090 in words is "eight billion, six hundred ninety-four million, nine hundred seventy-five thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 2273 2713 4546 5426 6819 8139 11365 13565 13638 16278 22730 27130 34095 40695 68190 81390 106831 127511 213662 255022 320493 382533 534155 637555 640986 765066 1068310 1275110 1602465 1912665 3204930 3825330 6166649 12333298 18499947 30833245 36999894 61666490 92499735 184999470 289832503 579665006 869497509 1449162515 1738995018 2898325030 4347487545 8694975090