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10311143112 = 2332983145687
BaseRepresentation
bin10011001101001011…
…11000111011001000
3222121121020100020100
421212211320323020
5132104123034422
64423055325400
7513343161504
oct114645707310
928547210210
1010311143112
11441140a486
121bb9220860
13c842ba21a
146db5d7304
1540536d7ac
hex266978ec8

10311143112 has 48 divisors (see below), whose sum is σ = 27954613440. Its totient is φ = 3433527648.

The previous prime is 10311143107. The next prime is 10311143123. The reversal of 10311143112 is 21134111301.

It is a happy number.

10311143112 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-2 number, since 2×103111431122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 2068 + ... + 143619.

It is an arithmetic number, because the mean of its divisors is an integer number (582387780).

Almost surely, 210311143112 is an apocalyptic number.

10311143112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10311143112 is an abundant number, since it is smaller than the sum of its proper divisors (17643470328).

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

10311143112 is a wasteful number, since it uses less digits than its factorization.

10311143112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146682 (or 146675 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10311143112 its reverse (21134111301), we get a palindrome (31445254413).

The spelling of 10311143112 in words is "ten billion, three hundred eleven million, one hundred forty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 983 1966 2949 3932 5898 7864 8847 11796 17694 23592 35388 70776 145687 291374 437061 582748 874122 1165496 1311183 1748244 2622366 3496488 5244732 10489464 143210321 286420642 429630963 572841284 859261926 1145682568 1288892889 1718523852 2577785778 3437047704 5155571556 10311143112