Search a number
-
+
42530531643362 = 2724115233694873
BaseRepresentation
bin10011010101110011010010…
…01110110000111111100010
312120120212201212122202111002
421222321221032300333202
521033310012100041422
6230242131223352002
711646505136105600
oct1152715116607742
9176525655582432
1042530531643362
1112608108386964
12492a850bb2602
131a967c5525a59
14a706bb068870
154db4b3e70692
hex26ae693b0fe2

42530531643362 has 48 divisors (see below), whose sum is σ = 76026572925912. Its totient is φ = 17781607710720.

The previous prime is 42530531643361. The next prime is 42530531643371. The reversal of 42530531643362 is 26334613503524.

It can be written as a sum of positive squares in 4 ways, for example, as 18252453299521 + 24278078343841 = 4272289^2 + 4927279^2 .

It is a super-3 number, since 3×425305316433623 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (42530531643361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60858758 + ... + 61553630.

Almost surely, 242530531643362 is an apocalyptic number.

42530531643362 is a deficient number, since it is larger than the sum of its proper divisors (33496041282550).

42530531643362 is a wasteful number, since it uses less digits than its factorization.

42530531643362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710163 (or 710156 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 47.

The spelling of 42530531643362 in words is "forty-two trillion, five hundred thirty billion, five hundred thirty-one million, six hundred forty-three thousand, three hundred sixty-two".

Divisors: 1 2 7 14 41 49 82 98 287 574 2009 4018 15233 30466 106631 213262 624553 694873 746417 1249106 1389746 1492834 4371871 4864111 8743742 9728222 28489793 30603097 34048777 56979586 61206194 68097554 199428551 398857102 1395999857 2791999714 10585000409 21170000818 74095002863 148190005726 433985016769 518665020041 867970033538 1037330040082 3037895117383 6075790234766 21265265821681 42530531643362