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21410014040 = 235535250351
BaseRepresentation
bin10011111100001000…
…101110001101011000
32001021002201101212222
4103330020232031120
5322321430422130
613500254523212
71355363055002
oct237410561530
961232641788
1021410014040
119097438488
124196206508
13203285147c
141071683372
1585493cce5
hex4fc22e358

21410014040 has 16 divisors (see below), whose sum is σ = 48172531680. Its totient is φ = 8564005600.

The previous prime is 21410014033. The next prime is 21410014049. The reversal of 21410014040 is 4041001412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410014049) 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 3 ways as a sum of consecutive naturals, for example, 267625136 + ... + 267625215.

It is an arithmetic number, because the mean of its divisors is an integer number (3010783230).

Almost surely, 221410014040 is an apocalyptic number.

21410014040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21410014040 is an abundant number, since it is smaller than the sum of its proper divisors (26762517640).

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

21410014040 is a wasteful number, since it uses less digits than its factorization.

21410014040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535250362 (or 535250358 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21410014040 its reverse (4041001412), we get a palindrome (25451015452).

The spelling of 21410014040 in words is "twenty-one billion, four hundred ten million, fourteen thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 535250351 1070500702 2141001404 2676251755 4282002808 5352503510 10705007020 21410014040