Search a number
-
+
20700007476786 = 23211607750722943
BaseRepresentation
bin1001011010011100110001…
…00101111010111000110010
32201021220100010000202121200
410231032120211322320302
510203122103403224121
6112005241355432030
74234345324265421
oct455163045727062
981256303022550
1020700007476786
1166609076330a0
1223a3972755616
13b7200516abc1
14517c5854b2b8
1525d6c4918a26
hex12d39897ae32

20700007476786 has 96 divisors (see below), whose sum is σ = 49016560140288. Its totient is φ = 6261288426720.

The previous prime is 20700007476683. The next prime is 20700007476787. The reversal of 20700007476786 is 68767470000702.

20700007476786 is a `hidden beast` number, since 20 + 70 + 0 + 0 + 0 + 7 + 476 + 7 + 86 = 666.

It is not an unprimeable number, because it can be changed into a prime (20700007476787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 902224831 + ... + 902247773.

It is an arithmetic number, because the mean of its divisors is an integer number (510589168128).

Almost surely, 220700007476786 is an apocalyptic number.

20700007476786 is an abundant number, since it is smaller than the sum of its proper divisors (28316552663502).

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

20700007476786 is a wasteful number, since it uses less digits than its factorization.

20700007476786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31076 (or 31073 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 54.

The spelling of 20700007476786 in words is "twenty trillion, seven hundred billion, seven million, four hundred seventy-six thousand, seven hundred eighty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 607 1214 1821 3642 5463 6677 7507 10926 13354 15014 20031 22521 22943 40062 45042 45886 60093 67563 68829 82577 120186 135126 137658 165154 206487 247731 252373 412974 495462 504746 743193 757119 1486386 1514238 2271357 4542714 4556749 9113498 13670247 13926401 27340494 27852802 41010741 41779203 50124239 82021482 83558406 100248478 125337609 150372717 153190411 172233101 250675218 300745434 306380822 344466202 451118151 459571233 516699303 902236302 919142466 1033398606 1378713699 1550097909 1894564111 2757427398 3100195818 3789128222 5683692333 11367384666 17051076999 34102153998 104545492307 209090984614 313636476921 627272953842 940909430763 1150000415377 1881818861526 2300000830754 3450001246131 6900002492262 10350003738393 20700007476786