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10123003012 = 223768398669
BaseRepresentation
bin10010110110110000…
…01100010010000100
3222010111012211112111
421123120030102010
5131212442044022
64352255030404
7505600051213
oct113330142204
928114184474
1010123003012
114325197aa1
121b6620b404
13c54326215
146c062107a
153e3aa8477
hex25b60c484

10123003012 has 12 divisors (see below), whose sum is σ = 18194046220. Its totient is φ = 4924704096.

The previous prime is 10123002991. The next prime is 10123003013. The reversal of 10123003012 is 21030032101.

It can be written as a sum of positive squares in 2 ways, for example, as 8269356096 + 1853646916 = 90936^2 + 43054^2 .

It is a super-2 number, since 2×101230030122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10123002983 and 10123003001.

It is not an unprimeable number, because it can be changed into a prime (10123003013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34199187 + ... + 34199482.

Almost surely, 210123003012 is an apocalyptic number.

It is an amenable number.

10123003012 is a deficient number, since it is larger than the sum of its proper divisors (8071043208).

10123003012 is a wasteful number, since it uses less digits than its factorization.

10123003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68398710 (or 68398708 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10123003012 its reverse (21030032101), we get a palindrome (31153035113).

The spelling of 10123003012 in words is "ten billion, one hundred twenty-three million, three thousand, twelve".

Divisors: 1 2 4 37 74 148 68398669 136797338 273594676 2530750753 5061501506 10123003012