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20574231314 = 2713163693529
BaseRepresentation
bin10011001010010100…
…011101101100010010
31222002212001020112012
4103022110131230102
5314114000400224
613241321102522
71325564036450
oct231224355422
958085036465
1020574231314
1187a868755a
123ba2327a42
131c2b650490
14dd26819d0
1580639880e
hex4ca51db12

20574231314 has 32 divisors (see below), whose sum is σ = 38216277120. Its totient is φ = 8089310592.

The previous prime is 20574231277. The next prime is 20574231319. The reversal of 20574231314 is 41313247502.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20574231319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317099 + ... + 376430.

It is an arithmetic number, because the mean of its divisors is an integer number (1194258660).

Almost surely, 220574231314 is an apocalyptic number.

20574231314 is a deficient number, since it is larger than the sum of its proper divisors (17642045806).

20574231314 is a wasteful number, since it uses less digits than its factorization.

20574231314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693714.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 20574231314 its reverse (41313247502), we get a palindrome (61887478816).

The spelling of 20574231314 in words is "twenty billion, five hundred seventy-four million, two hundred thirty-one thousand, three hundred fourteen".

Divisors: 1 2 7 13 14 26 91 163 182 326 1141 2119 2282 4238 14833 29666 693529 1387058 4854703 9015877 9709406 18031754 63111139 113045227 126222278 226090454 791316589 1469587951 1582633178 2939175902 10287115657 20574231314