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13042221304 = 2371012305909
BaseRepresentation
bin11000010010110000…
…01000000011111000
31020122221020111012111
430021120020003320
5203202302040204
65554100022104
7641125023550
oct141130100370
936587214174
1013042221304
115592aa29a2
12263b991934
1312cb065618
148ba1da160
15514ee1d04
hex3096080f8

13042221304 has 32 divisors (see below), whose sum is σ = 28224338400. Its totient is φ = 5534179200.

The previous prime is 13042221287. The next prime is 13042221307. The reversal of 13042221304 is 40312224031.

It is a super-2 number, since 2×130422213042 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042221307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147299 + ... + 1158610.

It is an arithmetic number, because the mean of its divisors is an integer number (882010575).

Almost surely, 213042221304 is an apocalyptic number.

13042221304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13042221304 is an abundant number, since it is smaller than the sum of its proper divisors (15182117096).

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

13042221304 is a wasteful number, since it uses less digits than its factorization.

13042221304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306023 (or 2306019 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13042221304 its reverse (40312224031), we get a palindrome (53354445335).

The spelling of 13042221304 in words is "thirteen billion, forty-two million, two hundred twenty-one thousand, three hundred four".

Divisors: 1 2 4 7 8 14 28 56 101 202 404 707 808 1414 2828 5656 2305909 4611818 9223636 16141363 18447272 32282726 64565452 129130904 232896809 465793618 931587236 1630277663 1863174472 3260555326 6521110652 13042221304