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10077445669 is a prime number
BaseRepresentation
bin10010110001010100…
…11001111000100101
3222000022111021121111
421120222121320211
5131114311230134
64343550345021
7504504606034
oct113052317045
928008437544
1010077445669
1143015010a5
121b52abb171
13c47a65005
146b856271b
153deaa9c64
hex258a99e25

10077445669 has 2 divisors, whose sum is σ = 10077445670. Its totient is φ = 10077445668.

The previous prime is 10077445667. The next prime is 10077445717. The reversal of 10077445669 is 96654477001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5249002500 + 4828443169 = 72450^2 + 69487^2 .

It is a cyclic number.

It is not a de Polignac number, because 10077445669 - 21 = 10077445667 is a prime.

It is a super-2 number, since 2×100774456692 (a number of 21 digits) contains 22 as substring.

Together with 10077445667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10077445667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5038722834 + 5038722835.

It is an arithmetic number, because the mean of its divisors is an integer number (5038722835).

Almost surely, 210077445669 is an apocalyptic number.

It is an amenable number.

10077445669 is a deficient number, since it is larger than the sum of its proper divisors (1).

10077445669 is an equidigital number, since it uses as much as digits as its factorization.

10077445669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 10077445669 in words is "ten billion, seventy-seven million, four hundred forty-five thousand, six hundred sixty-nine".