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10120040240 = 245126500503
BaseRepresentation
bin10010110110011001…
…11000111100110000
3222010021122022101012
421123030320330300
5131211212241430
64352111330052
7505532631332
oct113314707460
928107568335
1010120040240
114323554022
121b65220928
13c538297bb
146c008d452
153e36c0695
hex25b338f30

10120040240 has 20 divisors (see below), whose sum is σ = 23529093744. Its totient is φ = 4048016064.

The previous prime is 10120040233. The next prime is 10120040257. The reversal of 10120040240 is 4204002101.

10120040240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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, 63250172 + ... + 63250331.

Almost surely, 210120040240 is an apocalyptic number.

10120040240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120040240 is an abundant number, since it is smaller than the sum of its proper divisors (13409053504).

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

10120040240 is a wasteful number, since it uses less digits than its factorization.

10120040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126500516 (or 126500510 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10120040240 its reverse (4204002101), we get a palindrome (14324042341).

The spelling of 10120040240 in words is "ten billion, one hundred twenty million, forty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 126500503 253001006 506002012 632502515 1012004024 1265005030 2024008048 2530010060 5060020120 10120040240