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511212420533 = 31145311349431
BaseRepresentation
bin1110111000001101010…
…00100111110110110101
31210212112021100200200002
413130012220213312311
531333430334424113
61030503040201045
751635214610133
oct7340650476665
91725467320602
10511212420533
111878930a1a51
12830b0009185
133929008ac39
141aa583ca753
15d470181c58
hex7706a27db5

511212420533 has 8 divisors (see below), whose sum is σ = 528066372096. Its totient is φ = 494381170800.

The previous prime is 511212420457. The next prime is 511212420541. The reversal of 511212420533 is 335024212115.

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 511212420533 - 234 = 494032551349 is a prime.

It is a super-2 number, since 2×5112124205332 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 511212420496 and 511212420505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511212420553) 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, 5629673 + ... + 5719758.

It is an arithmetic number, because the mean of its divisors is an integer number (66008296512).

Almost surely, 2511212420533 is an apocalyptic number.

It is an amenable number.

511212420533 is a deficient number, since it is larger than the sum of its proper divisors (16853951563).

511212420533 is a wasteful number, since it uses less digits than its factorization.

511212420533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350915.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 511212420533 its reverse (335024212115), we get a palindrome (846236632648).

The spelling of 511212420533 in words is "five hundred eleven billion, two hundred twelve million, four hundred twenty thousand, five hundred thirty-three".

Divisors: 1 31 1453 45043 11349431 351832361 16490723243 511212420533