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13263040242 = 23213124123339
BaseRepresentation
bin11000101101000100…
…11110111011110010
31021020022202020211200
430112202132323302
5204130314241432
610032024552030
7646445660544
oct142642367362
937208666750
1013263040242
115696705491
1226a1922616
131334a2ba0a
148db67b694
155295aea7c
hex31689eef2

13263040242 has 48 divisors (see below), whose sum is σ = 29077345440. Its totient is φ = 4368873600.

The previous prime is 13263040223. The next prime is 13263040337. The reversal of 13263040242 is 24204036231.

13263040242 is a `hidden beast` number, since 1 + 3 + 2 + 630 + 4 + 0 + 24 + 2 = 666.

It is a super-2 number, since 2×132630402422 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 556609 + ... + 579947.

It is an arithmetic number, because the mean of its divisors is an integer number (605778030).

Almost surely, 213263040242 is an apocalyptic number.

13263040242 is an abundant number, since it is smaller than the sum of its proper divisors (15814305198).

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

13263040242 is a wasteful number, since it uses less digits than its factorization.

13263040242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23719 (or 23716 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13263040242 its reverse (24204036231), we get a palindrome (37467076473).

The spelling of 13263040242 in words is "thirteen billion, two hundred sixty-three million, forty thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 131 241 262 393 482 723 786 1179 1446 2169 2358 4338 23339 31571 46678 63142 70017 94713 140034 189426 210051 284139 420102 568278 3057409 5624699 6114818 9172227 11249398 16874097 18344454 27516681 33748194 50622291 55033362 101244582 736835569 1473671138 2210506707 4421013414 6631520121 13263040242