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10405016240 = 245130062703
BaseRepresentation
bin10011011000010111…
…11111001010110000
3222212010212120221212
421230023333022300
5132302141004430
64440251335252
7515563115213
oct115413771260
928763776855
1010405016240
11445a3a6783
122024751528
13c9a897058
14709c7177a
1540d712b95
hex26c2ff2b0

10405016240 has 20 divisors (see below), whose sum is σ = 24191662944. Its totient is φ = 4162006464.

The previous prime is 10405016191. The next prime is 10405016353. The reversal of 10405016240 is 4261050401.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65031272 + ... + 65031431.

Almost surely, 210405016240 is an apocalyptic number.

10405016240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10405016240 is an abundant number, since it is smaller than the sum of its proper divisors (13786646704).

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

10405016240 is a wasteful number, since it uses less digits than its factorization.

10405016240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130062716 (or 130062710 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 10405016240 its reverse (4261050401), we get a palindrome (14666066641).

The spelling of 10405016240 in words is "ten billion, four hundred five million, sixteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 130062703 260125406 520250812 650313515 1040501624 1300627030 2081003248 2601254060 5202508120 10405016240