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80153143 = 777314813
BaseRepresentation
bin1001100011100…
…00101000110111
312120211012102221
410301300220313
5131004400033
611541543211
71662201430
oct461605067
9176735387
1080153143
1141276274
1222a14b07
13137b4cc5
14a906487
15708412d
hex4c70a37

80153143 has 8 divisors (see below), whose sum is σ = 91728288. Its totient is φ = 68609184.

The previous prime is 80153141. The next prime is 80153179. The reversal of 80153143 is 34135108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80153143 - 21 = 80153141 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 (80153141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1996 + ... + 12817.

It is an arithmetic number, because the mean of its divisors is an integer number (11466036).

Almost surely, 280153143 is an apocalyptic number.

80153143 is a deficient number, since it is larger than the sum of its proper divisors (11575145).

80153143 is a wasteful number, since it uses less digits than its factorization.

80153143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15593.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 80153143 is about 8952.8287708411. The cubic root of 80153143 is about 431.1617099099.

The spelling of 80153143 in words is "eighty million, one hundred fifty-three thousand, one hundred forty-three".

Divisors: 1 7 773 5411 14813 103691 11450449 80153143