Search a number
-
+
13140050664430 = 2561431178328031
BaseRepresentation
bin1011111100110110100000…
…0011010101101111101110
31201112011202201112102120001
42333031220003111233232
53210241310432230210
643540242252214514
72524223463533404
oct277155003255756
951464681472501
1013140050664430
114206734048868
12158276846a43a
13744141ba9061
14335da6281474
1517bc09a6503a
hexbf3680d5bee

13140050664430 has 64 divisors (see below), whose sum is σ = 24109981433856. Its totient is φ = 5154784272000.

The previous prime is 13140050664373. The next prime is 13140050664431. The reversal of 13140050664430 is 3446605004131.

It is a self number, because there is not a number n which added to its sum of digits gives 13140050664430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140050664431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468754515 + ... + 468782545.

It is an arithmetic number, because the mean of its divisors is an integer number (376718459904).

Almost surely, 213140050664430 is an apocalyptic number.

13140050664430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13140050664430 is a deficient number, since it is larger than the sum of its proper divisors (10969930769426).

13140050664430 is a wasteful number, since it uses less digits than its factorization.

13140050664430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30313.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 13140050664430 its reverse (3446605004131), we get a palindrome (16586655668561).

The spelling of 13140050664430 in words is "thirteen trillion, one hundred forty billion, fifty million, six hundred sixty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 61 122 305 431 610 862 1783 2155 3566 4310 8915 17830 26291 28031 52582 56062 108763 131455 140155 217526 262910 280310 543815 768473 1087630 1536946 1709891 3419782 3842365 7684730 8549455 12081361 17098910 24162722 46876853 49979273 60406805 93753706 99958546 120813610 234384265 249896365 468768530 499792730 736963021 1473926042 3048735653 3684815105 6097471306 7369630210 15243678265 21541066663 30487356530 43082133326 107705333315 215410666630 1314005066443 2628010132886 6570025332215 13140050664430