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513205212216 = 233154511383959
BaseRepresentation
bin1110111011111010110…
…10100001010000111000
31211001200011010222221110
413131331122201100320
531402021013242331
61031432504440320
752035463220334
oct7357532412070
91731604128843
10513205212216
11188715a65924
12835674790a0
1339519bb0308
141aba6d2a7c4
15d53a0bd946
hex777d6a1438

513205212216 has 32 divisors (see below), whose sum is σ = 1283096995200. Its totient is φ = 171057208800.

The previous prime is 513205212161. The next prime is 513205212227. The reversal of 513205212216 is 612212502315.

It is a super-3 number, since 3×5132052122163 (a number of 36 digits) contains 333 as substring.

It is a congruent number.

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, 321156 + ... + 1062803.

It is an arithmetic number, because the mean of its divisors is an integer number (40096781100).

Almost surely, 2513205212216 is an apocalyptic number.

It is an amenable number.

513205212216 is an abundant number, since it is smaller than the sum of its proper divisors (769891782984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513205212216 is a wasteful number, since it uses less digits than its factorization.

513205212216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399419 (or 1399415 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 513205212216 in words is "five hundred thirteen billion, two hundred five million, two hundred twelve thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 15451 30902 46353 61804 92706 123608 185412 370824 1383959 2767918 4151877 5535836 8303754 11071672 16607508 33215016 21383550509 42767101018 64150651527 85534202036 128301303054 171068404072 256602606108 513205212216