Search a number
-
+
10457446477 = 85312259609
BaseRepresentation
bin10011011110100111…
…11111100001001101
3222222210112022201111
421233103333201031
5132404101241402
64445403212021
7520100554102
oct115723774115
928883468644
1010457446477
114486a57355
12203a217011
13ca86c366a
14712bdcaa9
1541311c9d7
hex26f4ff84d

10457446477 has 4 divisors (see below), whose sum is σ = 10469706940. Its totient is φ = 10445186016.

The previous prime is 10457446471. The next prime is 10457446523. The reversal of 10457446477 is 77464475401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77464475401 = 405971908133.

It can be written as a sum of positive squares in 2 ways, for example, as 4758102441 + 5699344036 = 68979^2 + 75494^2 .

It is a cyclic number.

It is not a de Polignac number, because 10457446477 - 215 = 10457413709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10457446477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10457446471) 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, 6128952 + ... + 6130657.

It is an arithmetic number, because the mean of its divisors is an integer number (2617426735).

Almost surely, 210457446477 is an apocalyptic number.

It is an amenable number.

10457446477 is a deficient number, since it is larger than the sum of its proper divisors (12260463).

10457446477 is an equidigital number, since it uses as much as digits as its factorization.

10457446477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12260462.

The product of its (nonzero) digits is 2634240, while the sum is 49.

The spelling of 10457446477 in words is "ten billion, four hundred fifty-seven million, four hundred forty-six thousand, four hundred seventy-seven".

Divisors: 1 853 12259609 10457446477