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485231357721 = 31182326716689
BaseRepresentation
bin1110000111110100000…
…10101110111100011001
31201101110121101221200110
413003322002232330121
530422223211421341
61010525011554533
750025325326255
oct7037202567431
91641417357613
10485231357721
111778704a6a10
127a05abbba49
13369ac517ca6
14196b1a25265
15c94e2be216
hex70fa0aef19

485231357721 has 32 divisors (see below), whose sum is σ = 707018895360. Its totient is φ = 293568422400.

The previous prime is 485231357701. The next prime is 485231357791. The reversal of 485231357721 is 127753132584.

It is not a de Polignac number, because 485231357721 - 219 = 485230833433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485231357701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72538345 + ... + 72545033.

It is an arithmetic number, because the mean of its divisors is an integer number (22094340480).

Almost surely, 2485231357721 is an apocalyptic number.

It is an amenable number.

485231357721 is a deficient number, since it is larger than the sum of its proper divisors (221787537639).

485231357721 is a wasteful number, since it uses less digits than its factorization.

485231357721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10197.

The product of its digits is 1411200, while the sum is 48.

The spelling of 485231357721 in words is "four hundred eighty-five billion, two hundred thirty-one million, three hundred fifty-seven thousand, seven hundred twenty-one".

Divisors: 1 3 11 33 823 2469 2671 6689 8013 9053 20067 27159 29381 73579 88143 220737 2198233 5505047 6594699 16515141 17866319 24180563 53598957 60555517 72541689 181666551 196529509 589588527 14703980537 44111941611 161743785907 485231357721