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1053075081 = 31720648531
BaseRepresentation
bin111110110001001…
…010011010001001
32201101112202102210
4332301022122021
54124041400311
6252255015333
735044663512
oct7661123211
92641482383
101053075081
114a0484993
1225480a549
1313a231166
149dc05a09
15626b73a6
hex3ec4a689

1053075081 has 8 divisors (see below), whose sum is σ = 1486694304. Its totient is φ = 660752960.

The previous prime is 1053075077. The next prime is 1053075097. The reversal of 1053075081 is 1805703501.

1053075081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1053075081 - 22 = 1053075077 is a prime.

It is a super-2 number, since 2×10530750812 = 2217934252446313122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053075181) 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, 10324215 + ... + 10324316.

It is an arithmetic number, because the mean of its divisors is an integer number (185836788).

Almost surely, 21053075081 is an apocalyptic number.

It is an amenable number.

1053075081 is a deficient number, since it is larger than the sum of its proper divisors (433619223).

1053075081 is a wasteful number, since it uses less digits than its factorization.

1053075081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20648551.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1053075081 is about 32451.1183320390. The cubic root of 1053075081 is about 1017.3876123435.

Adding to 1053075081 its reverse (1805703501), we get a palindrome (2858778582).

The spelling of 1053075081 in words is "one billion, fifty-three million, seventy-five thousand, eighty-one".

Divisors: 1 3 17 51 20648531 61945593 351025027 1053075081