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80011253 = 783137713
BaseRepresentation
bin1001100010011…
…01111111110101
312120112222210202
410301031333311
5130440330003
611534530245
71661040650
oct461157765
9176488722
1080011253
1141189703
1222966985
131376554a
14a8aa897
157057088
hex4c4dff5

80011253 has 8 divisors (see below), whose sum is σ = 92543808. Its totient is φ = 67754304.

The previous prime is 80011241. The next prime is 80011259. The reversal of 80011253 is 35211008.

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 80011253 - 220 = 78962677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80011259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68276 + ... + 69437.

It is an arithmetic number, because the mean of its divisors is an integer number (11567976).

Almost surely, 280011253 is an apocalyptic number.

80011253 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

80011253 is a deficient number, since it is larger than the sum of its proper divisors (12532555).

80011253 is a wasteful number, since it uses less digits than its factorization.

80011253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137803.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 80011253 is about 8944.9009497031. The cubic root of 80011253 is about 430.9071402705.

The spelling of 80011253 in words is "eighty million, eleven thousand, two hundred fifty-three".

Divisors: 1 7 83 581 137713 963991 11430179 80011253