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1455052663 = 10913349107
BaseRepresentation
bin101011010111010…
…0101011101110111
310202101221100000101
41112232211131313
510434443141123
6400214454531
751025513021
oct12656453567
93671840011
101455052663
11687380669
12347364447
131a25b590c
14db363011
1587b1baad
hex56ba5777

1455052663 has 4 divisors (see below), whose sum is σ = 1468401880. Its totient is φ = 1441703448.

The previous prime is 1455052637. The next prime is 1455052667. The reversal of 1455052663 is 3662505541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3662505541 = 21089173669.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1455052663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455052667) 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, 6674445 + ... + 6674662.

It is an arithmetic number, because the mean of its divisors is an integer number (367100470).

Almost surely, 21455052663 is an apocalyptic number.

1455052663 is a deficient number, since it is larger than the sum of its proper divisors (13349217).

1455052663 is a wasteful number, since it uses less digits than its factorization.

1455052663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13349216.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 1455052663 is about 38145.1525491772. The cubic root of 1455052663 is about 1133.1643529396.

The spelling of 1455052663 in words is "one billion, four hundred fifty-five million, fifty-two thousand, six hundred sixty-three".

Divisors: 1 109 13349107 1455052663