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513486457472 = 2729472943223
BaseRepresentation
bin1110111100011100010…
…11011000101010000000
31211002101202100201220102
413132032023120222000
531403110013114342
61031520432501532
752045446605342
oct7361613305200
91732352321812
10513486457472
1118884a79a61a
12836256aa8a8
1339563242721
141abd241b292
15d554b25832
hex778e2d8a80

513486457472 has 64 divisors (see below), whose sum is σ = 1080751852800. Its totient is φ = 242615675904.

The previous prime is 513486457349. The next prime is 513486457483. The reversal of 513486457472 is 274754684315.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 1297148 + ... + 1646075.

It is an arithmetic number, because the mean of its divisors is an integer number (16886747700).

Almost surely, 2513486457472 is an apocalyptic number.

It is an amenable number.

513486457472 is an abundant number, since it is smaller than the sum of its proper divisors (567265395328).

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

513486457472 is a wasteful number, since it uses less digits than its factorization.

513486457472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943313 (or 2943301 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 56.

The spelling of 513486457472 in words is "five hundred thirteen billion, four hundred eighty-six million, four hundred fifty-seven thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 29 32 47 58 64 94 116 128 188 232 376 464 752 928 1363 1504 1856 2726 3008 3712 5452 6016 10904 21808 43616 87232 174464 2943223 5886446 11772892 23545784 47091568 85353467 94183136 138331481 170706934 188366272 276662962 341413868 376732544 553325924 682827736 1106651848 1365655472 2213303696 2731310944 4011612949 4426607392 5462621888 8023225898 8853214784 10925243776 16046451796 17706429568 32092903592 64185807184 128371614368 256743228736 513486457472