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13124231241 = 311241979091
BaseRepresentation
bin11000011100100001…
…11110000001001001
31020212122120000200120
430032100332001021
5203334300344431
610010145453453
7643142060562
oct141620760111
936778500616
1013124231241
115625317200
122663341289
13131204a804
148c7067169
1551c2e1196
hex30e43e049

13124231241 has 48 divisors (see below), whose sum is σ = 19908861504. Its totient is φ = 7679232000.

The previous prime is 13124231179. The next prime is 13124231287. The reversal of 13124231241 is 14213242131.

It is not a de Polignac number, because 13124231241 - 215 = 13124198473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13124231291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1439106 + ... + 1448196.

It is an arithmetic number, because the mean of its divisors is an integer number (414767948).

Almost surely, 213124231241 is an apocalyptic number.

13124231241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13124231241 is a deficient number, since it is larger than the sum of its proper divisors (6784630263).

13124231241 is a wasteful number, since it uses less digits than its factorization.

13124231241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9254 (or 9243 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 13124231241 its reverse (14213242131), we get a palindrome (27337473372).

The spelling of 13124231241 in words is "thirteen billion, one hundred twenty-four million, two hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 3 11 33 41 97 121 123 291 363 451 1067 1353 3201 3977 4961 9091 11737 11931 14883 27273 35211 43747 100001 131241 300003 372731 481217 881827 1100011 1118193 1443651 2645481 3300033 4100041 9700097 12300123 29100291 36154907 45100451 106701067 108464721 135301353 320103201 397703977 1193111931 4374743747 13124231241