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45494948461 = 72476277763
BaseRepresentation
bin101010010111101101…
…011101001001101101
311100102121202211201011
4222113231131021231
51221133201322321
632522230345221
73200256452464
oct522755351155
9140377684634
1045494948461
1118326792166
1289981bb211
1343a0617b61
1422b82ab9db
1512b4109ae1
hexa97b5d26d

45494948461 has 4 divisors (see below), whose sum is σ = 45501233472. Its totient is φ = 45488663452.

The previous prime is 45494948441. The next prime is 45494948479. The reversal of 45494948461 is 16484949454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16484949454 = 28242474727.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45494948461 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45494948396 and 45494948405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45494948431) 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, 3131635 + ... + 3146128.

It is an arithmetic number, because the mean of its divisors is an integer number (11375308368).

Almost surely, 245494948461 is an apocalyptic number.

It is an amenable number.

45494948461 is a deficient number, since it is larger than the sum of its proper divisors (6285011).

45494948461 is an equidigital number, since it uses as much as digits as its factorization.

45494948461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285010.

The product of its digits is 19906560, while the sum is 58.

The spelling of 45494948461 in words is "forty-five billion, four hundred ninety-four million, nine hundred forty-eight thousand, four hundred sixty-one".

Divisors: 1 7247 6277763 45494948461