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493474085817 = 3179919763837
BaseRepresentation
bin1110010111001010101…
…10001111101110111001
31202011202001112220221020
413023211112033232321
531041113331221232
61014410542133053
750436514343436
oct7134526175671
91664661486836
10493474085817
11180310290599
127b77b581189
13376c41258ab
1419c54634b8d
15cc82c63e2c
hex72e558fbb9

493474085817 has 16 divisors (see below), whose sum is σ = 697372365312. Its totient is φ = 309318324480.

The previous prime is 493474085813. The next prime is 493474085837. The reversal of 493474085817 is 718580474394.

It is not a de Polignac number, because 493474085817 - 22 = 493474085813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493474085813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4831378 + ... + 4932459.

It is an arithmetic number, because the mean of its divisors is an integer number (43585772832).

Almost surely, 2493474085817 is an apocalyptic number.

It is an amenable number.

493474085817 is a deficient number, since it is larger than the sum of its proper divisors (203898279495).

493474085817 is a wasteful number, since it uses less digits than its factorization.

493474085817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764848.

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 493474085817 in words is "four hundred ninety-three billion, four hundred seventy-four million, eighty-five thousand, eight hundred seventeen".

Divisors: 1 3 17 51 991 2973 16847 50541 9763837 29291511 165985229 497955687 9675962467 29027887401 164491361939 493474085817