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13242240004 = 227273925513
BaseRepresentation
bin11000101010100110…
…01000110000000100
31021011212121111021111
430111103020300010
5204110003140004
610030003054404
7646104116500
oct142523106004
937155544244
1013242240004
115685998a04
122696971404
131330628296
148d89c5300
15527851a04
hex3154c8c04

13242240004 has 36 divisors (see below), whose sum is σ = 27326726364. Its totient is φ = 5597496576.

The previous prime is 13242239999. The next prime is 13242240017. The reversal of 13242240004 is 40004224231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5314118404 + 7928121600 = 72898^2 + 89040^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448449 + ... + 477064.

Almost surely, 213242240004 is an apocalyptic number.

13242240004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13242240004 is an abundant number, since it is smaller than the sum of its proper divisors (14084486360).

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

13242240004 is a wasteful number, since it uses less digits than its factorization.

13242240004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925604 (or 925595 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 13242240004 its reverse (40004224231), we get a palindrome (53246464235).

The spelling of 13242240004 in words is "thirteen billion, two hundred forty-two million, two hundred forty thousand, four".

Divisors: 1 2 4 7 14 28 49 73 98 146 196 292 511 1022 2044 3577 7154 14308 925513 1851026 3702052 6478591 12957182 25914364 45350137 67562449 90700274 135124898 181400548 270249796 472937143 945874286 1891748572 3310560001 6621120002 13242240004