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8194640950 = 252215376123
BaseRepresentation
bin1111010000111000…
…00100110000110110
3210011002122220002101
413220130010300312
5113240312002300
63433051332314
7410033204326
oct75034046066
923132586071
108194640950
113525730041
12170845109a
13a07972092
1457a493286
1532e646b6a
hex1e8704c36

8194640950 has 24 divisors (see below), whose sum is σ = 15249311928. Its totient is φ = 3276290880.

The previous prime is 8194640911. The next prime is 8194640957. The reversal of 8194640950 is 590464918.

It is a happy number.

It is a super-3 number, since 3×81946409503 (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8194640950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8194640957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69589 + ... + 145711.

It is an arithmetic number, because the mean of its divisors is an integer number (635387997).

Almost surely, 28194640950 is an apocalyptic number.

8194640950 is a deficient number, since it is larger than the sum of its proper divisors (7054670978).

8194640950 is a wasteful number, since it uses less digits than its factorization.

8194640950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78288 (or 78283 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 8194640950 is about 90524.2561416552. The cubic root of 8194640950 is about 2016.0902834124.

The spelling of 8194640950 in words is "eight billion, one hundred ninety-four million, six hundred forty thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 2153 4306 10765 21530 53825 76123 107650 152246 380615 761230 1903075 3806150 163892819 327785638 819464095 1638928190 4097320475 8194640950