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1493141518 = 211173992357
BaseRepresentation
bin101100011111111…
…1000100000001110
310212001121110002201
41120333320200032
511024221012033
6404055112114
752000331161
oct13077704016
93761543081
101493141518
116a6926360
1235807263a
131aa4605bb
14102439ad8
158b14247d
hex58ff880e

1493141518 has 16 divisors (see below), whose sum is σ = 2587047984. Its totient is φ = 638776960.

The previous prime is 1493141483. The next prime is 1493141539. The reversal of 1493141518 is 8151413941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995805 + ... + 1996552.

It is an arithmetic number, because the mean of its divisors is an integer number (161690499).

Almost surely, 21493141518 is an apocalyptic number.

1493141518 is a deficient number, since it is larger than the sum of its proper divisors (1093906466).

1493141518 is a wasteful number, since it uses less digits than its factorization.

1493141518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992387.

The product of its digits is 17280, while the sum is 37.

The square root of 1493141518 is about 38641.1893968082. The cubic root of 1493141518 is about 1142.9669096014.

The spelling of 1493141518 in words is "one billion, four hundred ninety-three million, one hundred forty-one thousand, five hundred eighteen".

Divisors: 1 2 11 17 22 34 187 374 3992357 7984714 43915927 67870069 87831854 135740138 746570759 1493141518