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20140210524 = 2237289782763
BaseRepresentation
bin10010110000011100…
…110011100101011100
31220222121100200221010
4102300130303211130
5312221343214044
613130254335220
71312043651640
oct226034634534
956877320833
1020140210524
1185a5695295
123aa0aba510
131b8c759a45
14d90b82c20
157cd214bb9
hex4b073395c

20140210524 has 48 divisors (see below), whose sum is σ = 53726416128. Its totient is φ = 5752290048.

The previous prime is 20140210523. The next prime is 20140210529. The reversal of 20140210524 is 42501204102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20140210524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140210523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201967 + ... + 284729.

It is an arithmetic number, because the mean of its divisors is an integer number (1119300336).

Almost surely, 220140210524 is an apocalyptic number.

It is an amenable number.

20140210524 is an abundant number, since it is smaller than the sum of its proper divisors (33586205604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20140210524 is a wasteful number, since it uses less digits than its factorization.

20140210524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85674 (or 85672 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 20140210524 its reverse (42501204102), we get a palindrome (62641414626).

The spelling of 20140210524 in words is "twenty billion, one hundred forty million, two hundred ten thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2897 5794 8691 11588 17382 20279 34764 40558 60837 81116 82763 121674 165526 243348 248289 331052 496578 579341 993156 1158682 1738023 2317364 3476046 6952092 239764411 479528822 719293233 959057644 1438586466 1678350877 2877172932 3356701754 5035052631 6713403508 10070105262 20140210524