Search a number
-
+
13377488665420 = 2251163979505513
BaseRepresentation
bin1100001010101011000001…
…1101011011101101001100
31202100212122012000121121201
43002222300131123231030
53223134044044243140
644241311120435244
72550330432331345
oct302526035335514
952325565017551
1013377488665420
1142983a7668250
121600791a78b24
13760651551529
1434368c5810cc
15182ea4aea49a
hexc2ab075bb4c

13377488665420 has 48 divisors (see below), whose sum is σ = 30651404400288. Its totient is φ = 4863780380160.

The previous prime is 13377488665403. The next prime is 13377488665421. The reversal of 13377488665420 is 2456688477331.

13377488665420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13377488665421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3345417 + ... + 6160096.

It is an arithmetic number, because the mean of its divisors is an integer number (638570925006).

Almost surely, 213377488665420 is an apocalyptic number.

13377488665420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13377488665420 is an abundant number, since it is smaller than the sum of its proper divisors (17273915734868).

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

13377488665420 is a wasteful number, since it uses less digits than its factorization.

13377488665420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9511930 (or 9511928 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 64.

The spelling of 13377488665420 in words is "thirteen trillion, three hundred seventy-seven billion, four hundred eighty-eight million, six hundred sixty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 6397 12794 25588 31985 63970 70367 127940 140734 281468 351835 703670 1407340 9505513 19011026 38022052 47527565 95055130 104560643 190110260 209121286 418242572 522803215 1045606430 2091212860 60806766661 121613533322 243227066644 304033833305 608067666610 668874433271 1216135333220 1337748866542 2675497733084 3344372166355 6688744332710 13377488665420