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80013007 = 139957193
BaseRepresentation
bin1001100010011…
…10011011001111
312120120002012201
410301032123033
5130440404012
611534542331
71661046034
oct461163317
9176502181
1080013007
114118aa58
12229679a7
1313766299
14a8ab38b
157057857
hex4c4e6cf

80013007 has 4 divisors (see below), whose sum is σ = 80071600. Its totient is φ = 79954416.

The previous prime is 80012993. The next prime is 80013013. The reversal of 80013007 is 70031008.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80013007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80013107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27198 + ... + 29995.

It is an arithmetic number, because the mean of its divisors is an integer number (20017900).

Almost surely, 280013007 is an apocalyptic number.

80013007 is a deficient number, since it is larger than the sum of its proper divisors (58593).

80013007 is a wasteful number, since it uses less digits than its factorization.

80013007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58592.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 80013007 is about 8944.9989938513. The cubic root of 80013007 is about 430.9102890176.

The spelling of 80013007 in words is "eighty million, thirteen thousand, seven".

Divisors: 1 1399 57193 80013007