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380163723831 = 3242240413759
BaseRepresentation
bin1011000100000111000…
…01100001001000110111
31100100021021010010121200
411202003201201020313
522212033403130311
6450351135543543
736315545223033
oct5420341411067
91310237103550
10380163723831
11137254569531
126181808abb3
1329b06b59118
14145859391c3
159d5021d556
hex5883861237

380163723831 has 6 divisors (see below), whose sum is σ = 549125378880. Its totient is φ = 253442482548.

The previous prime is 380163723803. The next prime is 380163723833. The reversal of 380163723831 is 138327361083.

380163723831 is a `hidden beast` number, since 3 + 8 + 0 + 1 + 637 + 2 + 3 + 8 + 3 + 1 = 666.

It is not a de Polignac number, because 380163723831 - 214 = 380163707447 is a prime.

It is a super-2 number, since 2×3801637238312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380163723833) 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, 21120206871 + ... + 21120206888.

It is an arithmetic number, because the mean of its divisors is an integer number (91520896480).

Almost surely, 2380163723831 is an apocalyptic number.

380163723831 is a deficient number, since it is larger than the sum of its proper divisors (168961655049).

380163723831 is a wasteful number, since it uses less digits than its factorization.

380163723831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42240413765 (or 42240413762 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 380163723831 in words is "three hundred eighty billion, one hundred sixty-three million, seven hundred twenty-three thousand, eight hundred thirty-one".

Divisors: 1 3 9 42240413759 126721241277 380163723831