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80035807858 = 240017903929
BaseRepresentation
bin100101010001010000…
…0011000001001110010
321122120211111022010221
41022202200120021302
52302403131322413
6100433513043254
75532235066456
oct1124240301162
9248524438127
1080035807858
1130a41144056
12136179b652a
1377166914b6
143c3381a666
1521366e368d
hex12a2818272

80035807858 has 4 divisors (see below), whose sum is σ = 120053711790. Its totient is φ = 40017903928.

The previous prime is 80035807853. The next prime is 80035807861. The reversal of 80035807858 is 85870853008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79804555009 + 231252849 = 282497^2 + 15207^2 .

It is not an unprimeable number, because it can be changed into a prime (80035807853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20008951963 + ... + 20008951966.

Almost surely, 280035807858 is an apocalyptic number.

80035807858 is a deficient number, since it is larger than the sum of its proper divisors (40017903932).

80035807858 is a wasteful number, since it uses less digits than its factorization.

80035807858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40017903931.

The product of its (nonzero) digits is 2150400, while the sum is 52.

The spelling of 80035807858 in words is "eighty billion, thirty-five million, eight hundred seven thousand, eight hundred fifty-eight".

Divisors: 1 2 40017903929 80035807858