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469781940321 = 345799777041
BaseRepresentation
bin1101101011000010010…
…11111000100001100001
31122220120220121020020000
412311201023320201201
530144103134042241
6555452001210213
745640430415111
oct6654113704141
91586526536200
10469781940321
11171262726a61
1277069030969
13353b98474a5
1418a47c55041
15c347cd3eb6
hex6d612f8861

469781940321 has 10 divisors (see below), whose sum is σ = 701773022082. Its totient is φ = 313187960160.

The previous prime is 469781940293. The next prime is 469781940323. The reversal of 469781940321 is 123049187964.

469781940321 is a `hidden beast` number, since 4 + 69 + 78 + 194 + 0 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 381016080225 + 88765860096 = 617265^2 + 297936^2 .

It is not a de Polignac number, because 469781940321 - 27 = 469781940193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (469781940323) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2899888440 + ... + 2899888601.

Almost surely, 2469781940321 is an apocalyptic number.

It is an amenable number.

469781940321 is a deficient number, since it is larger than the sum of its proper divisors (231991081761).

469781940321 is an equidigital number, since it uses as much as digits as its factorization.

469781940321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799777053 (or 5799777044 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 469781940321 in words is "four hundred sixty-nine billion, seven hundred eighty-one million, nine hundred forty thousand, three hundred twenty-one".

Divisors: 1 3 9 27 81 5799777041 17399331123 52197993369 156593980107 469781940321