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513411525525431 = 13371688696320779
BaseRepresentation
bin111010010111100011110111…
…1100110100011111110110111
32111022211122212221221220022002
41310233013233212203332313
51014243213301013303211
65015533555422325515
7213066521134121261
oct16457075746437667
92438748787856262
10513411525525431
11139652672603795
12496ba71512989b
1319062664736270
1490ad371232b31
153e5502a72903b
hex1d2f1ef9a3fb7

513411525525431 has 16 divisors (see below), whose sum is σ = 567851543095200. Its totient is φ = 461106924179328.

The previous prime is 513411525525341. The next prime is 513411525525523. The reversal of 513411525525431 is 134525525114315.

It is a de Polignac number, because none of the positive numbers 2k-513411525525431 is a prime.

It is a super-2 number, since 2×5134115255254312 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513411525528431) 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, 78065600 + ... + 84386378.

It is an arithmetic number, because the mean of its divisors is an integer number (35490721443450).

Almost surely, 2513411525525431 is an apocalyptic number.

513411525525431 is a deficient number, since it is larger than the sum of its proper divisors (54440017569769).

513411525525431 is a wasteful number, since it uses less digits than its factorization.

513411525525431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489698.

The product of its digits is 1800000, while the sum is 47.

The spelling of 513411525525431 in words is "five hundred thirteen trillion, four hundred eleven billion, five hundred twenty-five million, five hundred twenty-five thousand, four hundred thirty-one".

Divisors: 1 13 37 481 168869 2195297 6248153 6320779 81225989 82170127 233868823 3040294699 1067383628951 13875987176363 39493194271187 513411525525431