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20144140200 = 23325211191189
BaseRepresentation
bin10010110000101011…
…110010111110101000
31220222212202100102200
4102300223302332220
5312223344441300
613130514500200
71312122236502
oct226053627650
956885670380
1020144140200
1185a7929758
123aa2294660
131b905045b2
14d914c6d72
157cd73e200
hex4b0af2fa8

20144140200 has 72 divisors (see below), whose sum is σ = 67650743550. Its totient is φ = 5371770240.

The previous prime is 20144140189. The next prime is 20144140319. The reversal of 20144140200 is 204144102.

20144140200 is a `hidden beast` number, since 20 + 1 + 441 + 4 + 0 + 200 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 17217113796 + 2927026404 = 131214^2 + 54102^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5593795 + ... + 5597394.

Almost surely, 220144140200 is an apocalyptic number.

20144140200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20144140200 is an abundant number, since it is smaller than the sum of its proper divisors (47506603350).

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

20144140200 is a wasteful number, since it uses less digits than its factorization.

20144140200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191211 (or 11191199 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20144140200 its reverse (204144102), we get a palindrome (20348284302).

The spelling of 20144140200 in words is "twenty billion, one hundred forty-four million, one hundred forty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 200 225 300 360 450 600 900 1800 11191189 22382378 33573567 44764756 55955945 67147134 89529512 100720701 111911890 134294268 167867835 201441402 223823780 268588536 279779725 335735670 402882804 447647560 503603505 559559450 671471340 805765608 839339175 1007207010 1119118900 1342942680 1678678350 2014414020 2238237800 2518017525 3357356700 4028828040 5036035050 6714713400 10072070100 20144140200