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380671630813 = 611696223277
BaseRepresentation
bin1011000101000011100…
…11000001110111011101
31100101120122211111000101
411202201303001313131
522214103414141223
6450513402101101
736334253321305
oct5424163016735
91311518744011
10380671630813
11137495236571
126193a1aa791
1329b8814c1b6
14145d318c605
159d7eae94ad
hex58a1cc1ddd

380671630813 has 4 divisors (see below), whose sum is σ = 380677915260. Its totient is φ = 380665346368.

The previous prime is 380671630799. The next prime is 380671630849. The reversal of 380671630813 is 318036176083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 140687256889 + 239984373924 = 375083^2 + 489882^2 .

It is a cyclic number.

It is not a de Polignac number, because 380671630813 - 29 = 380671630301 is a prime.

It is a super-3 number, since 3×3806716308133 (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380671690813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050470 + ... + 3172807.

It is an arithmetic number, because the mean of its divisors is an integer number (95169478815).

Almost surely, 2380671630813 is an apocalyptic number.

It is an amenable number.

380671630813 is a deficient number, since it is larger than the sum of its proper divisors (6284447).

380671630813 is an equidigital number, since it uses as much as digits as its factorization.

380671630813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284446.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 380671630813 in words is "three hundred eighty billion, six hundred seventy-one million, six hundred thirty thousand, eight hundred thirteen".

Divisors: 1 61169 6223277 380671630813