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10212407540 = 2251573932443
BaseRepresentation
bin10011000001011010…
…01111100011110100
3222100201110001111022
421200231033203310
5131403334020130
64405211200312
7511034013626
oct114055174364
928321401438
1010212407540
114370701a35
121b90146098
13c699ca0ca
146cc454c16
153eb8687e5
hex260b4f8f4

10212407540 has 24 divisors (see below), whose sum is σ = 21448079520. Its totient is φ = 4084577568.

The previous prime is 10212407539. The next prime is 10212407573. The reversal of 10212407540 is 4570421201.

10212407540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 298559 + ... + 331001.

It is an arithmetic number, because the mean of its divisors is an integer number (893669980).

Almost surely, 210212407540 is an apocalyptic number.

10212407540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212407540 is an abundant number, since it is smaller than the sum of its proper divisors (11235671980).

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

10212407540 is a wasteful number, since it uses less digits than its factorization.

10212407540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48191 (or 48189 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

Adding to 10212407540 its reverse (4570421201), we get a palindrome (14782828741).

The spelling of 10212407540 in words is "ten billion, two hundred twelve million, four hundred seven thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 15739 31478 32443 62956 64886 78695 129772 157390 162215 314780 324430 648860 510620377 1021240754 2042481508 2553101885 5106203770 10212407540