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20002023312131 = 725711118412069
BaseRepresentation
bin1001000110001000101010…
…11111101000101100000011
32121211011201101200102010002
410203010111133220230003
510110203120431442011
6110312445212430215
74133045532626030
oct443042537505403
977734641612102
1020002023312131
1164118a0787423
1222b063917836b
13b2124b530c53
144d2162c64387
1524a472800c3b
hex1231157e8b03

20002023312131 has 8 divisors (see below), whose sum is σ = 22948402512480. Its totient is φ = 17077880936448.

The previous prime is 20002023312101. The next prime is 20002023312133. The reversal of 20002023312131 is 13121332020002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20002023312131 - 214 = 20002023295747 is a prime.

It is a super-2 number, since 2×200020233121312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002023312133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5559204236 + ... + 5559207833.

It is an arithmetic number, because the mean of its divisors is an integer number (2868550314060).

Almost surely, 220002023312131 is an apocalyptic number.

20002023312131 is a deficient number, since it is larger than the sum of its proper divisors (2946379200349).

20002023312131 is a wasteful number, since it uses less digits than its factorization.

20002023312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118412333.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20002023312131 its reverse (13121332020002), we get a palindrome (33123355332133).

The spelling of 20002023312131 in words is "twenty trillion, two billion, twenty-three million, three hundred twelve thousand, one hundred thirty-one".

Divisors: 1 7 257 1799 11118412069 77828884483 2857431901733 20002023312131