Search a number
-
+
11663153412 = 223971929451
BaseRepresentation
bin10101101110010110…
…11001100100000100
31010002211021120200220
422313023121210010
5142341231402122
65205153504340
7562011111501
oct126713314404
933084246626
1011663153412
114a45600869
122315b720b0
13113b435611
147c8db64a8
15483dd425c
hex2b72d9904

11663153412 has 12 divisors (see below), whose sum is σ = 27214024656. Its totient is φ = 3887717800.

The previous prime is 11663153377. The next prime is 11663153413. The reversal of 11663153412 is 21435136611.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (11663153413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485964714 + ... + 485964737.

It is an arithmetic number, because the mean of its divisors is an integer number (2267835388).

Almost surely, 211663153412 is an apocalyptic number.

11663153412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11663153412 is an abundant number, since it is smaller than the sum of its proper divisors (15550871244).

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

11663153412 is a wasteful number, since it uses less digits than its factorization.

11663153412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971929458 (or 971929456 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The spelling of 11663153412 in words is "eleven billion, six hundred sixty-three million, one hundred fifty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 971929451 1943858902 2915788353 3887717804 5831576706 11663153412