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10168774645 = 54494529521
BaseRepresentation
bin10010111100001101…
…10010111111110101
3222020200100021102011
421132012302333311
5131311201242040
64401012044221
7506664105211
oct113606627765
928220307364
1010168774645
11434900a997
121b79603671
13c60960b23
146c6737941
153e7aea3ea
hex25e1b2ff5

10168774645 has 8 divisors (see below), whose sum is σ = 12229709400. Its totient is φ = 8116899840.

The previous prime is 10168774619. The next prime is 10168774661. The reversal of 10168774645 is 54647786101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1211666481 + 8957108164 = 34809^2 + 94642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10168774645 - 223 = 10160386037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2262516 + ... + 2267005.

It is an arithmetic number, because the mean of its divisors is an integer number (1528713675).

Almost surely, 210168774645 is an apocalyptic number.

It is an amenable number.

10168774645 is a deficient number, since it is larger than the sum of its proper divisors (2060934755).

10168774645 is an equidigital number, since it uses as much as digits as its factorization.

10168774645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529975.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 10168774645 in words is "ten billion, one hundred sixty-eight million, seven hundred seventy-four thousand, six hundred forty-five".

Divisors: 1 5 449 2245 4529521 22647605 2033754929 10168774645