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80012801 = 1113015591
BaseRepresentation
bin1001100010011…
…10011000000001
312120120001221002
410301032120001
5130440402201
611534541345
71661045321
oct461163001
9176501832
1080012801
114118a890
1222967855
131376616b
14a8ab281
15705776b
hex4c4e601

80012801 has 8 divisors (see below), whose sum is σ = 87369408. Its totient is φ = 72670000.

The previous prime is 80012797. The next prime is 80012813. The reversal of 80012801 is 10821008.

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 80012801 - 22 = 80012797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80012831) 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, 11516 + ... + 17106.

It is an arithmetic number, because the mean of its divisors is an integer number (10921176).

Almost surely, 280012801 is an apocalyptic number.

It is an amenable number.

80012801 is a deficient number, since it is larger than the sum of its proper divisors (7356607).

80012801 is a wasteful number, since it uses less digits than its factorization.

80012801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 80012801 is about 8944.9874790298. The cubic root of 80012801 is about 430.9099192127.

Adding to 80012801 its reverse (10821008), we get a palindrome (90833809).

The spelling of 80012801 in words is "eighty million, twelve thousand, eight hundred one".

Divisors: 1 11 1301 5591 14311 61501 7273891 80012801