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820414961283 = 310691571162839
BaseRepresentation
bin10111111000001001000…
…10101101011010000011
32220102122010111020002210
423330010202231122003
5101420202212230113
61424520551513203
7113162435052411
oct13740442553203
92812563436083
10820414961283
11296a32948325
12113003388803
135c498603718
142b9cb7c82b1
151651a6c96c3
hexbf048ad683

820414961283 has 16 divisors (see below), whose sum is σ = 1095613574400. Its totient is φ = 546080489760.

The previous prime is 820414961279. The next prime is 820414961323. The reversal of 820414961283 is 382169414028.

It is not a de Polignac number, because 820414961283 - 22 = 820414961279 is a prime.

It is not an unprimeable number, because it can be changed into a prime (820414961213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4956778 + ... + 5119616.

It is an arithmetic number, because the mean of its divisors is an integer number (68475848400).

Almost surely, 2820414961283 is an apocalyptic number.

820414961283 is a deficient number, since it is larger than the sum of its proper divisors (275198613117).

820414961283 is a wasteful number, since it uses less digits than its factorization.

820414961283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165482.

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 820414961283 in words is "eight hundred twenty billion, four hundred fourteen million, nine hundred sixty-one thousand, two hundred eighty-three".

Divisors: 1 3 1069 1571 3207 4713 162839 488517 1679399 5038197 174074891 255820069 522224673 767460207 273471653761 820414961283