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505344504023 = 19931086723333
BaseRepresentation
bin1110101101010001110…
…00010011000011010111
31210022101022211122110222
413112220320103003113
531234421143112043
61024052502304555
751336623260622
oct7265070230327
91708338748428
10505344504023
11185351886477
1281b32a2815b
133886648a0a8
141a65cd60db9
15d229e39d68
hex75a8e130d7

505344504023 has 8 divisors (see below), whose sum is σ = 505666260528. Its totient is φ = 505022819904.

The previous prime is 505344504017. The next prime is 505344504043. The reversal of 505344504023 is 320405443505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505344504023 - 224 = 505327726807 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 (505344504043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21646265 + ... + 21669597.

It is an arithmetic number, because the mean of its divisors is an integer number (63208282566).

Almost surely, 2505344504023 is an apocalyptic number.

505344504023 is a deficient number, since it is larger than the sum of its proper divisors (321756505).

505344504023 is a wasteful number, since it uses less digits than its factorization.

505344504023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36193.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 505344504023 its reverse (320405443505), we get a palindrome (825749947528).

The spelling of 505344504023 in words is "five hundred five billion, three hundred forty-four million, five hundred four thousand, twenty-three".

Divisors: 1 1993 10867 23333 21657931 46502669 253559711 505344504023