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20050056051231 = 36683352017077
BaseRepresentation
bin1001000111100010001000…
…11101111111101000011111
32121222202200212202101010010
410203301010131333220133
510112000003322114411
6110350511341014303
74136366036314203
oct443610435775037
977882625671103
1020050056051231
1164301a9a34218
1222b9a03254393
13b2593484a26b
144d45dc1bcb03
1524b8345ed7a6
hex123c4477fa1f

20050056051231 has 4 divisors (see below), whose sum is σ = 26733408068312. Its totient is φ = 13366704034152.

The previous prime is 20050056051167. The next prime is 20050056051253. The reversal of 20050056051231 is 13215065005002.

It is a happy number.

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

It is not a de Polignac number, because 20050056051231 - 26 = 20050056051167 is a prime.

It is a super-2 number, since 2×200500560512312 (a number of 27 digits) contains 22 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 (20050056051271) 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, 3341676008536 + ... + 3341676008541.

It is an arithmetic number, because the mean of its divisors is an integer number (6683352017078).

Almost surely, 220050056051231 is an apocalyptic number.

20050056051231 is a deficient number, since it is larger than the sum of its proper divisors (6683352017081).

20050056051231 is an equidigital number, since it uses as much as digits as its factorization.

20050056051231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683352017080.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 20050056051231 in words is "twenty trillion, fifty billion, fifty-six million, fifty-one thousand, two hundred thirty-one".

Divisors: 1 3 6683352017077 20050056051231