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10210420040 = 235439581459
BaseRepresentation
bin10011000001001011…
…01010010101001000
3222100120201002011012
421200211222111020
5131402331420130
64405100423052
7511011065312
oct114045522510
928316632135
1010210420040
11436a574777
121b8b547a88
13c69482582
146cc0987b2
153eb5c4995
hex26096a548

10210420040 has 32 divisors (see below), whose sum is σ = 23025816000. Its totient is φ = 4074857664.

The previous prime is 10210420027. The next prime is 10210420049. The reversal of 10210420040 is 4002401201.

It is a junction number, because it is equal to n+sod(n) for n = 10210419997 and 10210420024.

It is not an unprimeable number, because it can be changed into a prime (10210420049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273170 + ... + 308289.

It is an arithmetic number, because the mean of its divisors is an integer number (719556750).

Almost surely, 210210420040 is an apocalyptic number.

10210420040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210420040 is an abundant number, since it is smaller than the sum of its proper divisors (12815395960).

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

10210420040 is a wasteful number, since it uses less digits than its factorization.

10210420040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581909 (or 581905 counting only the distinct ones).

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

Adding to 10210420040 its reverse (4002401201), we get a palindrome (14212821241).

The spelling of 10210420040 in words is "ten billion, two hundred ten million, four hundred twenty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 439 878 1756 2195 3512 4390 8780 17560 581459 1162918 2325836 2907295 4651672 5814590 11629180 23258360 255260501 510521002 1021042004 1276302505 2042084008 2552605010 5105210020 10210420040