Base | Representation |
---|---|
bin | 10101001011101110… |
… | …00011110101110001 |
3 | 1002100120120101112100 |
4 | 22211313003311301 |
5 | 141242341441011 |
6 | 5120254251013 |
7 | 551552403054 |
oct | 124567036561 |
9 | 32316511470 |
10 | 11372608881 |
11 | 49065a5417 |
12 | 22547b6a69 |
13 | 10c319858a |
14 | 79c584a9b |
15 | 468641d56 |
hex | 2a5dc3d71 |
11372608881 has 48 divisors (see below), whose sum is σ = 17979287040. Its totient is φ = 6896033280.
The previous prime is 11372608861. The next prime is 11372608901. The reversal of 11372608881 is 18880627311.
It is a happy number.
11372608881 is a `hidden beast` number, since 1 + 1 + 37 + 2 + 608 + 8 + 8 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (11372608861) and next prime (11372608901).
It is not a de Polignac number, because 11372608881 - 29 = 11372608369 is a prime.
It is a super-4 number, since 4×113726088814 (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (45) 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 (11372608811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5069146 + ... + 5071388.
It is an arithmetic number, because the mean of its divisors is an integer number (374568480).
Almost surely, 211372608881 is an apocalyptic number.
It is an amenable number.
11372608881 is a deficient number, since it is larger than the sum of its proper divisors (6606678159).
11372608881 is a wasteful number, since it uses less digits than its factorization.
11372608881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3366 (or 3363 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 45.
The spelling of 11372608881 in words is "eleven billion, three hundred seventy-two million, six hundred eight thousand, eight hundred eighty-one".
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