Search a number
-
+
11996710820 = 225631950611
BaseRepresentation
bin10110010110000111…
…10100011110100100
31010222001221001102222
423023003310132210
5144032124221240
65302231051512
7603201234203
oct131303643644
933861831388
1011996710820
1150a6915446
1223a9810b98
131192582673
1481b40323a
154a3320eb5
hex2cb0f47a4

11996710820 has 24 divisors (see below), whose sum is σ = 25233044928. Its totient is φ = 4791074400.

The previous prime is 11996710811. The next prime is 11996710837. The reversal of 11996710820 is 2801769911.

11996710820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×119967108203 (a number of 31 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 462686 + ... + 487925.

It is an arithmetic number, because the mean of its divisors is an integer number (1051376872).

Almost surely, 211996710820 is an apocalyptic number.

11996710820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11996710820 is an abundant number, since it is smaller than the sum of its proper divisors (13236334108).

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

11996710820 is a wasteful number, since it uses less digits than its factorization.

11996710820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951251 (or 951249 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 44.

The spelling of 11996710820 in words is "eleven billion, nine hundred ninety-six million, seven hundred ten thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 631 1262 2524 3155 6310 12620 950611 1901222 3802444 4753055 9506110 19012220 599835541 1199671082 2399342164 2999177705 5998355410 11996710820