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20331031419 = 322259003491
BaseRepresentation
bin10010111011110100…
…101110101101111011
31221110220102101222200
4102323310232231323
5313114221001134
613201232321243
71316551626036
oct227364565573
957426371880
1020331031419
118693378906
123b349a3223
131bc014c00a
14dac25601d
157ded59499
hex4bbd2eb7b

20331031419 has 6 divisors (see below), whose sum is σ = 29367045396. Its totient is φ = 13554020940.

The previous prime is 20331031397. The next prime is 20331031429. The reversal of 20331031419 is 91413013302.

20331031419 is a `hidden beast` number, since 2 + 0 + 331 + 0 + 314 + 19 = 666.

It is not a de Polignac number, because 20331031419 - 25 = 20331031387 is a prime.

It is a super-2 number, since 2×203310314192 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20331031392 and 20331031401.

It is not an unprimeable number, because it can be changed into a prime (20331031429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129501737 + ... + 1129501754.

It is an arithmetic number, because the mean of its divisors is an integer number (4894507566).

Almost surely, 220331031419 is an apocalyptic number.

20331031419 is a deficient number, since it is larger than the sum of its proper divisors (9036013977).

20331031419 is a wasteful number, since it uses less digits than its factorization.

20331031419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259003497 (or 2259003494 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 20331031419 in words is "twenty billion, three hundred thirty-one million, thirty-one thousand, four hundred nineteen".

Divisors: 1 3 9 2259003491 6777010473 20331031419