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80662463032865 = 578272786749457
BaseRepresentation
bin10010010101110010110001…
…011101001010111000100001
3101120121020220201220220202212
4102111302301131022320201
541033033211014022430
6443315453550251505
722663446013025030
oct2225626135127041
9346536821826685
1080662463032865
112377983857484a
129068b137b6b95
13360158c604aac
1415cc126878717
1594d338381b95
hex495cb174ae21

80662463032865 has 16 divisors (see below), whose sum is σ = 110756570458752. Its totient is φ = 55244521215744.

The previous prime is 80662463032859. The next prime is 80662463032873. The reversal of 80662463032865 is 56823036426608.

It is not a de Polignac number, because 80662463032865 - 216 = 80662462967329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1393345784 + ... + 1393403673.

It is an arithmetic number, because the mean of its divisors is an integer number (6922285653672).

Almost surely, 280662463032865 is an apocalyptic number.

It is an amenable number.

80662463032865 is a deficient number, since it is larger than the sum of its proper divisors (30094107425887).

80662463032865 is a wasteful number, since it uses less digits than its factorization.

80662463032865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786750296.

The product of its (nonzero) digits is 59719680, while the sum is 59.

The spelling of 80662463032865 in words is "eighty trillion, six hundred sixty-two billion, four hundred sixty-three million, thirty-two thousand, eight hundred sixty-five".

Divisors: 1 5 7 35 827 4135 5789 28945 2786749457 13933747285 19507246199 97536230995 2304641800939 11523209004695 16132492606573 80662463032865