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13421225151405 = 335401247921403
BaseRepresentation
bin1100001101001101111101…
…0110111000101110101101
31202112001112020221022022000
43003103133112320232231
53224343132114321110
644313343053242513
72553436320330321
oct303233726705655
952461466838260
1013421225151405
114304a00786535
121609159193439
13764801760936
1434583b0a9981
151841b46541c0
hexc34df5b8bad

13421225151405 has 32 divisors (see below), whose sum is σ = 23919457057920. Its totient is φ = 7140136377600.

The previous prime is 13421225151379. The next prime is 13421225151409. The reversal of 13421225151405 is 50415152212431.

13421225151405 is a `hidden beast` number, since 1 + 3 + 4 + 2 + 122 + 515 + 14 + 0 + 5 = 666.

It is not a de Polignac number, because 13421225151405 - 213 = 13421225143213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13421225151405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421225151409) 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, 123906567 + ... + 124014836.

It is an arithmetic number, because the mean of its divisors is an integer number (747483033060).

Almost surely, 213421225151405 is an apocalyptic number.

13421225151405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13421225151405 is a deficient number, since it is larger than the sum of its proper divisors (10498231906515).

13421225151405 is a wasteful number, since it uses less digits than its factorization.

13421225151405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247921818 (or 247921812 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 13421225151405 its reverse (50415152212431), we get a palindrome (63836377363836).

The spelling of 13421225151405 in words is "thirteen trillion, four hundred twenty-one billion, two hundred twenty-five million, one hundred fifty-one thousand, four hundred five".

Divisors: 1 3 5 9 15 27 45 135 401 1203 2005 3609 6015 10827 18045 54135 247921403 743764209 1239607015 2231292627 3718821045 6693877881 11156463135 33469389405 99416482603 298249447809 497082413015 894748343427 1491247239045 2684245030281 4473741717135 13421225151405