Search a number
-
+
13537666740 = 22351317355983
BaseRepresentation
bin11001001101110100…
…00110011010110100
31021221110111201120110
430212322012122310
5210211120313430
610115155103020
7656322161103
oct144672063264
937843451513
1013537666740
115817729434
1227598a1a70
1313798b45c0
14925d2803a
1554375a7b0
hex326e866b4

13537666740 has 48 divisors (see below), whose sum is σ = 40821274368. Its totient is φ = 3332348544.

The previous prime is 13537666679. The next prime is 13537666741. The reversal of 13537666740 is 4766673531.

13537666740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13537666740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13537666741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8677212 + ... + 8678771.

It is an arithmetic number, because the mean of its divisors is an integer number (850443216).

Almost surely, 213537666740 is an apocalyptic number.

13537666740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13537666740 is an abundant number, since it is smaller than the sum of its proper divisors (27283607628).

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

13537666740 is a wasteful number, since it uses less digits than its factorization.

13537666740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17356008 (or 17356006 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 13537666740 in words is "thirteen billion, five hundred thirty-seven million, six hundred sixty-six thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 17355983 34711966 52067949 69423932 86779915 104135898 173559830 208271796 225627779 260339745 347119660 451255558 520679490 676883337 902511116 1041358980 1128138895 1353766674 2256277790 2707533348 3384416685 4512555580 6768833370 13537666740