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10212240745 = 571933745569
BaseRepresentation
bin10011000001011001…
…00110110101101001
3222100201010120200201
421200230212311221
5131403313200440
64405203432201
7511032420430
oct114054466551
928321116621
1010212240745
1143705a8693
121b90085661
13c6996c205
146cc410117
153eb83419a
hex260b26d69

10212240745 has 32 divisors (see below), whose sum is σ = 14786553600. Its totient is φ = 6614286336.

The previous prime is 10212240743. The next prime is 10212240761. The reversal of 10212240745 is 54704221201.

It is not a de Polignac number, because 10212240745 - 21 = 10212240743 is a prime.

It is a super-2 number, since 2×102122407452 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10212240743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201321 + ... + 246889.

It is an arithmetic number, because the mean of its divisors is an integer number (462079800).

Almost surely, 210212240745 is an apocalyptic number.

It is an amenable number.

10212240745 is a deficient number, since it is larger than the sum of its proper divisors (4574312855).

10212240745 is a wasteful number, since it uses less digits than its factorization.

10212240745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45937.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 10212240745 its reverse (54704221201), we get a palindrome (64916461946).

The spelling of 10212240745 in words is "ten billion, two hundred twelve million, two hundred forty thousand, seven hundred forty-five".

Divisors: 1 5 7 19 35 95 133 337 665 1685 2359 6403 11795 32015 44821 45569 224105 227845 318983 865811 1594915 4329055 6060677 15356753 30303385 76783765 107497271 291778307 537486355 1458891535 2042448149 10212240745