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10000044020 = 2253713513573
BaseRepresentation
bin10010101000000110…
…01000111111110100
3221210220211212111202
421110003020333310
5130440002402040
64332143352032
7502544654201
oct112403107764
927726755452
1010000044020
11427184509a
121b30bb2618
13c34a04515
146ac174ca8
153d7dbb015
hex2540c8ff4

10000044020 has 24 divisors (see below), whose sum is σ = 21567664104. Its totient is φ = 3891908736.

The previous prime is 10000044017. The next prime is 10000044031. The reversal of 10000044020 is 2044000001.

It can be written as a sum of positive squares in 4 ways, for example, as 4313074276 + 5686969744 = 65674^2 + 75412^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10000043992 and 10000044010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6756047 + ... + 6757526.

It is an arithmetic number, because the mean of its divisors is an integer number (898652671).

Almost surely, 210000044020 is an apocalyptic number.

10000044020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000044020 is an abundant number, since it is smaller than the sum of its proper divisors (11567620084).

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

10000044020 is a wasteful number, since it uses less digits than its factorization.

10000044020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13513619 (or 13513617 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 10000044020 its reverse (2044000001), we get a palindrome (12044044021).

The spelling of 10000044020 in words is "ten billion, forty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 13513573 27027146 54054292 67567865 135135730 270271460 500002201 1000004402 2000008804 2500011005 5000022010 10000044020