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10057278073 = 50771980949
BaseRepresentation
bin10010101110111010…
…11110001001111001
3221221220112122212111
421113131132021321
5131044130344243
64341550212321
7504141311263
oct112735361171
927856478774
1010057278073
1142a1086967
121b481b40a1
13c4382351b
146b59d2b33
153dce2439d
hex25775e279

10057278073 has 4 divisors (see below), whose sum is σ = 10059264100. Its totient is φ = 10055292048.

The previous prime is 10057278053. The next prime is 10057278083. The reversal of 10057278073 is 37087275001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37087275001 = 75298182143.

It can be written as a sum of positive squares in 2 ways, for example, as 5512765504 + 4544512569 = 74248^2 + 67413^2 .

It is a cyclic number.

It is not a de Polignac number, because 10057278073 - 213 = 10057269881 is a prime.

It is a super-2 number, since 2×100572780732 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10057278053) 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, 985398 + ... + 995551.

It is an arithmetic number, because the mean of its divisors is an integer number (2514816025).

Almost surely, 210057278073 is an apocalyptic number.

It is an amenable number.

10057278073 is a deficient number, since it is larger than the sum of its proper divisors (1986027).

10057278073 is an equidigital number, since it uses as much as digits as its factorization.

10057278073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986026.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 10057278073 in words is "ten billion, fifty-seven million, two hundred seventy-eight thousand, seventy-three".

Divisors: 1 5077 1980949 10057278073