Search a number
-
+
513032130432 = 2733157945521
BaseRepresentation
bin1110111011100110001…
…10010000111110000000
31211001020002110112101000
413131303012100332000
531401142211133212
61031403403012000
752031262104613
oct7356306207600
91731202415330
10513032130432
11188637298a28
128351950a000
13394c008c363
141ab8bd5417a
15d529cd01dc
hex7773190f80

513032130432 has 128 divisors (see below), whose sum is σ = 1523803255200. Its totient is φ = 169921290240.

The previous prime is 513032130409. The next prime is 513032130433. The reversal of 513032130432 is 234031230315.

513032130432 is a `hidden beast` number, since 5 + 1 + 3 + 0 + 321 + 304 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 513032130396 and 513032130405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513032130433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69832 + ... + 1015352.

Almost surely, 2513032130432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513032130432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (761901627600).

513032130432 is an abundant number, since it is smaller than the sum of its proper divisors (1010771124768).

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

513032130432 is a wasteful number, since it uses less digits than its factorization.

513032130432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945701 (or 945683 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 513032130432 its reverse (234031230315), we get a palindrome (747063360747).

The spelling of 513032130432 in words is "five hundred thirteen billion, thirty-two million, one hundred thirty thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 157 192 216 288 314 384 432 471 576 628 864 942 1152 1256 1413 1728 1884 2512 2826 3456 3768 4239 5024 5652 7536 8478 10048 11304 15072 16956 20096 22608 30144 33912 45216 60288 67824 90432 135648 180864 271296 542592 945521 1891042 2836563 3782084 5673126 7564168 8509689 11346252 15128336 17019378 22692504 25529067 30256672 34038756 45385008 51058134 60513344 68077512 90770016 102116268 121026688 136155024 148446797 181540032 204232536 272310048 296893594 363080064 408465072 445340391 544620096 593787188 816930144 890680782 1089240192 1187574376 1336021173 1633860288 1781361564 2375148752 2672042346 3267720576 3562723128 4008063519 4750297504 5344084692 7125446256 8016127038 9500595008 10688169384 14250892512 16032254076 19001190016 21376338768 28501785024 32064508152 42752677536 57003570048 64129016304 85505355072 128258032608 171010710144 256516065216 513032130432