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80358011 = 198947521
BaseRepresentation
bin1001100101000…
…10101001111011
312121012121110122
410302202221323
5131032424021
611550203455
71664013626
oct462425173
9177177418
1080358011
11413a6188
1222ab358b
1313857326
1570c4bab
hex4ca2a7b

80358011 has 8 divisors (see below), whose sum is σ = 85539600. Its totient is φ = 75271680.

The previous prime is 80358007. The next prime is 80358037. The reversal of 80358011 is 11085308.

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 80358011 - 22 = 80358007 is a prime.

It is a super-2 number, since 2×803580112 = 12914819863752242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80358071) 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, 22070 + ... + 25451.

It is an arithmetic number, because the mean of its divisors is an integer number (10692450).

Almost surely, 280358011 is an apocalyptic number.

80358011 is a deficient number, since it is larger than the sum of its proper divisors (5181589).

80358011 is a wasteful number, since it uses less digits than its factorization.

80358011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47629.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 80358011 is about 8964.2629925722. The cubic root of 80358011 is about 431.5287410023.

The spelling of 80358011 in words is "eighty million, three hundred fifty-eight thousand, eleven".

Divisors: 1 19 89 1691 47521 902899 4229369 80358011