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379662490069 = 312395070229
BaseRepresentation
bin1011000011001011010…
…01011101100111010101
31100021222022221211011021
411201211221131213111
522210022044140234
6450225312441141
736300250630102
oct5414551354725
91307868854137
10379662490069
1113701763a155
12616b82491b1
1329a570615b5
1414539141aa9
159d2120e9b4
hex5865a5d9d5

379662490069 has 6 divisors (see below), whose sum is σ = 392304738390. Its totient is φ = 367415312040.

The previous prime is 379662490049. The next prime is 379662490093. The reversal of 379662490069 is 960094266973.

It can be written as a sum of positive squares in only one way, i.e., 377131092100 + 2531397969 = 614110^2 + 50313^2 .

It is not a de Polignac number, because 379662490069 - 215 = 379662457301 is a prime.

It is a super-2 number, since 2×3796624900692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 379662489989 and 379662490016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379662490049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197534154 + ... + 197536075.

It is an arithmetic number, because the mean of its divisors is an integer number (65384123065).

Almost surely, 2379662490069 is an apocalyptic number.

It is an amenable number.

379662490069 is a deficient number, since it is larger than the sum of its proper divisors (12642248321).

379662490069 is an equidigital number, since it uses as much as digits as its factorization.

379662490069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395070291 (or 395070260 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 61.

The spelling of 379662490069 in words is "three hundred seventy-nine billion, six hundred sixty-two million, four hundred ninety thousand, sixty-nine".

Divisors: 1 31 961 395070229 12247177099 379662490069