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20140104432 = 243759940787
BaseRepresentation
bin10010110000011100…
…011001101011110000
31220222121011022101210
4102300130121223300
5312221331320212
613130252200120
71312043030430
oct226034315360
956877138353
1020140104432
1185a5622608
123aa0a69040
131b8c720676
14d90b562c0
157cd1e353c
hex4b0719af0

20140104432 has 40 divisors (see below), whose sum is σ = 59461261696. Its totient is φ = 5754315456.

The previous prime is 20140104427. The next prime is 20140104437. The reversal of 20140104432 is 23440104102.

It is an interprime number because it is at equal distance from previous prime (20140104427) and next prime (20140104437).

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

It is a junction number, because it is equal to n+sod(n) for n = 20140104399 and 20140104408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140104437) 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, 29970058 + ... + 29970729.

Almost surely, 220140104432 is an apocalyptic number.

It is an amenable number.

20140104432 is an abundant number, since it is smaller than the sum of its proper divisors (39321157264).

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

20140104432 is a wasteful number, since it uses less digits than its factorization.

20140104432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59940805 (or 59940799 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20140104432 its reverse (23440104102), we get a palindrome (43580208534).

The spelling of 20140104432 in words is "twenty billion, one hundred forty million, one hundred four thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 59940787 119881574 179822361 239763148 359644722 419585509 479526296 719289444 839171018 959052592 1258756527 1438578888 1678342036 2517513054 2877157776 3356684072 5035026108 6713368144 10070052216 20140104432