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1077220143 = 32198217673
BaseRepresentation
bin100000000110101…
…0001001100101111
32210001222110020100
41000031101030233
54201232021033
6254520322143
735460135336
oct10015211457
92701873210
101077220143
1150307648a
12260913353
1314223618c
14a30ccd1d
1564886513
hex4035132f

1077220143 has 24 divisors (see below), whose sum is σ = 1640087280. Its totient is φ = 679432320.

The previous prime is 1077220139. The next prime is 1077220159. The reversal of 1077220143 is 3410227701.

It is a happy number.

It is not a de Polignac number, because 1077220143 - 22 = 1077220139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077220343) 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 23 ways as a sum of consecutive naturals, for example, 136555 + ... + 144227.

It is an arithmetic number, because the mean of its divisors is an integer number (68336970).

Almost surely, 21077220143 is an apocalyptic number.

1077220143 is a deficient number, since it is larger than the sum of its proper divisors (562867137).

1077220143 is a wasteful number, since it uses less digits than its factorization.

1077220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519 (or 8516 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1077220143 is about 32821.0320221653. The cubic root of 1077220143 is about 1025.1045359971.

Adding to 1077220143 its reverse (3410227701), we get a palindrome (4487447844).

The spelling of 1077220143 in words is "one billion, seventy-seven million, two hundred twenty thousand, one hundred forty-three".

Divisors: 1 3 9 19 57 171 821 2463 7389 7673 15599 23019 46797 69057 140391 145787 437361 1312083 6299533 18898599 56695797 119691127 359073381 1077220143