Search a number
-
+
820896425316 = 223311690990257
BaseRepresentation
bin10111111001000010011…
…11010110010101100100
32220110212200110010121000
423330201033112111210
5101422143441102231
61425040431153300
7113210402325552
oct13744117262544
92813780403530
10820896425316
1129715a6a4390
12113118675830
135c544298896
142ba35716bd2
1516547ad06e6
hexbf213d6564

820896425316 has 48 divisors (see below), whose sum is σ = 2321727266880. Its totient is φ = 248756492160.

The previous prime is 820896425273. The next prime is 820896425317. The reversal of 820896425316 is 613524698028.

820896425316 is a `hidden beast` number, since 8 + 20 + 89 + 6 + 4 + 2 + 531 + 6 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (820896425317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345493941 + ... + 345496316.

It is an arithmetic number, because the mean of its divisors is an integer number (48369318060).

Almost surely, 2820896425316 is an apocalyptic number.

It is an amenable number.

820896425316 is an abundant number, since it is smaller than the sum of its proper divisors (1500830841564).

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

820896425316 is a wasteful number, since it uses less digits than its factorization.

820896425316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690990281 (or 690990273 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 820896425316 in words is "eight hundred twenty billion, eight hundred ninety-six million, four hundred twenty-five thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 132 198 297 396 594 1188 690990257 1381980514 2072970771 2763961028 4145941542 6218912313 7600892827 8291883084 12437824626 15201785654 18656736939 22802678481 24875649252 30403571308 37313473878 45605356962 68408035443 74626947756 91210713924 136816070886 205224106329 273632141772 410448212658 820896425316