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8457042011 = 113720778973
BaseRepresentation
bin1111110000001010…
…00011100001011011
3210211101102020200012
413320011003201123
5114310000321021
63515103432135
7416400446105
oct77005034133
923741366605
108457042011
11364a863920
1217802b564b
13a4a137192
145a327a575
153476ca35b
hex1f814385b

8457042011 has 8 divisors (see below), whose sum is σ = 9475212144. Its totient is φ = 7480429920.

The previous prime is 8457042001. The next prime is 8457042019. The reversal of 8457042011 is 1102407548.

It is a happy number.

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 8457042011 - 26 = 8457041947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8457042019) 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, 10389080 + ... + 10389893.

It is an arithmetic number, because the mean of its divisors is an integer number (1184401518).

Almost surely, 28457042011 is an apocalyptic number.

8457042011 is a deficient number, since it is larger than the sum of its proper divisors (1018170133).

8457042011 is a wasteful number, since it uses less digits than its factorization.

8457042011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20779021.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 8457042011 is about 91962.1770675314. The cubic root of 8457042011 is about 2037.3837096036.

Adding to 8457042011 its reverse (1102407548), we get a palindrome (9559449559).

The spelling of 8457042011 in words is "eight billion, four hundred fifty-seven million, forty-two thousand, eleven".

Divisors: 1 11 37 407 20778973 228568703 768822001 8457042011