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13242681524 = 227614350421
BaseRepresentation
bin11000101010101001…
…10100100010110100
31021011220102220221002
430111110310202310
5204110111302044
610030020342432
7646110635642
oct142524644264
937156386832
1013242681524
11568616a6a6
122696b44a18
131330751237
148d8a9c192
155278dc74e
hex3155348b4

13242681524 has 12 divisors (see below), whose sum is σ = 23205150948. Its totient is φ = 6612638400.

The previous prime is 13242681499. The next prime is 13242681593. The reversal of 13242681524 is 42518624231.

It can be written as a sum of positive squares in 2 ways, for example, as 273571600 + 12969109924 = 16540^2 + 113882^2 .

It is a super-2 number, since 2×132426815242 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2172167 + ... + 2178254.

It is an arithmetic number, because the mean of its divisors is an integer number (1933762579).

Almost surely, 213242681524 is an apocalyptic number.

It is an amenable number.

13242681524 is a deficient number, since it is larger than the sum of its proper divisors (9962469424).

13242681524 is a wasteful number, since it uses less digits than its factorization.

13242681524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351186 (or 4351184 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The spelling of 13242681524 in words is "thirteen billion, two hundred forty-two million, six hundred eighty-one thousand, five hundred twenty-four".

Divisors: 1 2 4 761 1522 3044 4350421 8700842 17401684 3310670381 6621340762 13242681524