Search a number
-
+
13202191812 = 2231100182651
BaseRepresentation
bin11000100101110100…
…10111010111000100
31021002002020211111010
430102322113113010
5204014230114222
610022012442220
7645106531065
oct142272272704
937062224433
1013202191812
115665325127
122685479370
131325245824
148d355c56c
1552409080c
hex312e975c4

13202191812 has 12 divisors (see below), whose sum is σ = 30805114256. Its totient is φ = 4400730600.

The previous prime is 13202191801. The next prime is 13202191829. The reversal of 13202191812 is 21819120231.

13202191812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13202191812.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 550091314 + ... + 550091337.

Almost surely, 213202191812 is an apocalyptic number.

13202191812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13202191812 is an abundant number, since it is smaller than the sum of its proper divisors (17602922444).

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

13202191812 is a wasteful number, since it uses less digits than its factorization.

13202191812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100182658 (or 1100182656 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 13202191812 in words is "thirteen billion, two hundred two million, one hundred ninety-one thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 1100182651 2200365302 3300547953 4400730604 6601095906 13202191812