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20112054433 = 412715233461
BaseRepresentation
bin10010101110110001…
…011001100010100001
31220220122101020000221
4102232301121202201
5312142141220213
613123411043041
71311252433132
oct225661314241
956818336027
1020112054433
118590804199
123a935a0481
131b8697c133
14d8b133c89
157caa0238d
hex4aec598a1

20112054433 has 16 divisors (see below), whose sum is σ = 20724141312. Its totient is φ = 19506096000.

The previous prime is 20112054407. The next prime is 20112054497. The reversal of 20112054433 is 33445021102.

It is a cyclic number.

It is not a de Polignac number, because 20112054433 - 229 = 19575183521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20112054398 and 20112054407.

It is not an unprimeable number, because it can be changed into a prime (20112054533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5809323 + ... + 5812783.

It is an arithmetic number, because the mean of its divisors is an integer number (1295258832).

Almost surely, 220112054433 is an apocalyptic number.

It is an amenable number.

20112054433 is a deficient number, since it is larger than the sum of its proper divisors (612086879).

20112054433 is a wasteful number, since it uses less digits than its factorization.

20112054433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20112054433 its reverse (33445021102), we get a palindrome (53557075535).

The spelling of 20112054433 in words is "twenty billion, one hundred twelve million, fifty-four thousand, four hundred thirty-three".

Divisors: 1 41 271 523 3461 11111 21443 141733 141901 937931 1810103 5811053 38455171 74214223 490537913 20112054433