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10503790145 = 52100758029
BaseRepresentation
bin10011100100001001…
…10001111001000001
31000010000201211021122
421302010301321001
5133002432241040
64454140402025
7521202512612
oct116204617101
930100654248
1010503790145
114500130002
122051846315
13cb519b754
14719023c09
154172241b5
hex272131e41

10503790145 has 4 divisors (see below), whose sum is σ = 12604548180. Its totient is φ = 8403032112.

The previous prime is 10503790117. The next prime is 10503790147. The reversal of 10503790145 is 54109730501.

It is a Cunningham number, because it is equal to 1024882+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3781266064 + 6722524081 = 61492^2 + 81991^2 .

It is a cyclic number.

It is not a de Polignac number, because 10503790145 - 218 = 10503528001 is a prime.

It is a super-2 number, since 2×105037901452 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10503790147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050379010 + ... + 1050379019.

It is an arithmetic number, because the mean of its divisors is an integer number (3151137045).

Almost surely, 210503790145 is an apocalyptic number.

It is an amenable number.

10503790145 is a deficient number, since it is larger than the sum of its proper divisors (2100758035).

10503790145 is an equidigital number, since it uses as much as digits as its factorization.

10503790145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100758034.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 10503790145 in words is "ten billion, five hundred three million, seven hundred ninety thousand, one hundred forty-five".

Divisors: 1 5 2100758029 10503790145