Search a number
-
+
13346680240 = 245473549649
BaseRepresentation
bin11000110111000011…
…00010110110110000
31021110011010121100101
430123201202312300
5204313222231430
610044213402144
7651512624125
oct143341426660
937404117311
1013346680240
115729942453
122705939354
131349164b3a
1490881074c
15531ad1dca
hex31b862db0

13346680240 has 40 divisors (see below), whose sum is σ = 31691275200. Its totient is φ = 5225081856.

The previous prime is 13346680231. The next prime is 13346680241. The reversal of 13346680240 is 4208664331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 13346680240.

It is not an unprimeable number, because it can be changed into a prime (13346680241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1771065 + ... + 1778584.

It is an arithmetic number, because the mean of its divisors is an integer number (792281880).

Almost surely, 213346680240 is an apocalyptic number.

13346680240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13346680240 is an abundant number, since it is smaller than the sum of its proper divisors (18344594960).

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

13346680240 is a wasteful number, since it uses less digits than its factorization.

13346680240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549709 (or 3549703 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 13346680240 in words is "thirteen billion, three hundred forty-six million, six hundred eighty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 47 80 94 188 235 376 470 752 940 1880 3760 3549649 7099298 14198596 17748245 28397192 35496490 56794384 70992980 141985960 166833503 283971920 333667006 667334012 834167515 1334668024 1668335030 2669336048 3336670060 6673340120 13346680240