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511212414212 = 221371091855059
BaseRepresentation
bin1110111000001101010…
…00100110010100000100
31210212112021100100222222
413130012220212110010
531333430334223322
61030503040111512
751635214552533
oct7340650462404
91725467310888
10511212414212
11187893098225
12830b0005598
13392900880b6
141aa583c831a
15d47017ee42
hex7706a26504

511212414212 has 24 divisors (see below), whose sum is σ = 901978852320. Its totient is φ = 253507595840.

The previous prime is 511212414079. The next prime is 511212414247. The reversal of 511212414212 is 212414212115.

It is a super-2 number, since 2×5112124142122 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170339 + ... + 1025397.

It is an arithmetic number, because the mean of its divisors is an integer number (37582452180).

Almost surely, 2511212414212 is an apocalyptic number.

It is an amenable number.

511212414212 is a deficient number, since it is larger than the sum of its proper divisors (390766438108).

511212414212 is a wasteful number, since it uses less digits than its factorization.

511212414212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856291 (or 856289 counting only the distinct ones).

The product of its digits is 1280, while the sum is 26.

Adding to 511212414212 its reverse (212414212115), we get a palindrome (723626626327).

The spelling of 511212414212 in words is "five hundred eleven billion, two hundred twelve million, four hundred fourteen thousand, two hundred twelve".

Divisors: 1 2 4 137 274 548 1091 2182 4364 149467 298934 597868 855059 1710118 3420236 117143083 234286166 468572332 932869369 1865738738 3731477476 127803103553 255606207106 511212414212